All Classes and Interfaces

Class	Description
org.apache.hadoop.hbase.Abortable	Interface to support the aborting of a given server or client.
org.apache.hadoop.hbase.util.AbstractByteRange	An abstract implementation of the ByteRange API
org.apache.hadoop.hbase.client.AbstractClientScanner	Helper class for custom client scanners.
org.apache.hadoop.hbase.io.encoding.AbstractDataBlockEncoder
org.apache.hadoop.hbase.io.encoding.AbstractDataBlockEncoder.AbstractEncodedSeeker	Decorates EncodedSeeker with a HFileBlockDecodingContext
org.apache.hadoop.hbase.util.AbstractFileStatusFilter	Typical base class for file status filter.
org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL<W extends org.apache.hadoop.hbase.wal.WALProvider.WriterBase>	Implementation of WAL to go against FileSystem; i.e.
org.apache.hadoop.hbase.wal.AbstractFSWALProvider<T extends org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL<?>>	Base class of a WAL Provider that returns a single thread safe WAL that writes to Hadoop FS.
org.apache.hadoop.hbase.wal.AbstractFSWALProvider.Initializer
org.apache.hadoop.hbase.wal.AbstractFSWALProvider.WALStartTimeComparator	Comparator used to compare WAL files together based on their start time.
org.apache.hadoop.hbase.security.AbstractHBaseSaslRpcClient	A utility class that encapsulates SASL logic for RPC client.
org.apache.hadoop.hbase.util.AbstractHBaseTool	Common base class used for HBase command-line tools.
org.apache.hadoop.hbase.regionserver.AbstractMemStore	An abstract class, which implements the behaviour shared by all concrete memstore instances.
org.apache.hadoop.hbase.regionserver.AbstractMultiFileWriter	Base class for cell sink that separates the provided cells into multiple files.
org.apache.hadoop.hbase.regionserver.AbstractMultiFileWriter.WriterFactory
org.apache.hadoop.hbase.util.AbstractPositionedByteRange	Extends the basic SimpleByteRange implementation with position support.
org.apache.hadoop.hbase.regionserver.wal.AbstractProtobufLogWriter	Base class for Protobuf log writer.
org.apache.hadoop.hbase.regionserver.wal.AbstractProtobufWALReader	Base class for reading protobuf based wal reader
org.apache.hadoop.hbase.ipc.AbstractRpcClient<T extends org.apache.hadoop.hbase.ipc.RpcConnection>	Provides the basics for a RpcClient implementation like configuration and Logging.
org.apache.hadoop.hbase.ipc.AbstractRpcClient.BlockingRpcChannelImplementation	Blocking rpc channel that goes via hbase rpc.
org.apache.hadoop.hbase.ipc.AbstractRpcClient.RpcChannelImplementation	Async rpc channel that goes via hbase rpc.
org.apache.hadoop.hbase.hbtop.screen.AbstractScreenView	An abstract class for ScreenView that has the common useful methods and the default implementations for the abstract methods.
org.apache.hadoop.hbase.quotas.policies.AbstractViolationPolicyEnforcement	Abstract implementation for SpaceViolationPolicyEnforcement.
org.apache.hadoop.hbase.wal.AbstractWALRoller<T extends org.apache.hadoop.hbase.Abortable>	Runs periodically to determine if the WAL should be rolled.
org.apache.hadoop.hbase.security.AccessDeniedException	Exception thrown by access-related methods.
org.apache.hadoop.hbase.client.Action	A Get, Put, Increment, Append, or Delete associated with it's region.
org.apache.hadoop.hbase.master.ActiveMasterManager	Handles everything on master-side related to master election.
org.apache.hadoop.hbase.quotas.ActivePolicyEnforcement	A class to ease dealing with tables that have and do not have violation policies being enforced.
org.apache.hadoop.hbase.ipc.AdaptiveLifoCoDelCallQueue	Adaptive LIFO blocking queue utilizing CoDel algorithm to prevent queue overloading.
org.apache.hadoop.hbase.regionserver.AdaptiveMemStoreCompactionStrategy	Adaptive is a heuristic that chooses whether to apply data compaction or not based on the level of redundancy in the data.
org.apache.hadoop.hbase.net.Address	An immutable type to hold a hostname and port combo, like an Endpoint or java.net.InetSocketAddress (but without danger of our calling resolve -- we do NOT want a resolve happening every time we want to hold a hostname and port combo).
org.apache.hadoop.hbase.util.Addressing	Utility for network addresses, resolving and naming.
org.apache.hadoop.hbase.util.Addressing.AddressSelectionCondition	Interface for AddressSelectionCondition to check if address is acceptable
org.apache.hadoop.hbase.client.Admin	The administrative API for HBase.
org.apache.hadoop.hbase.http.AdminAuthorizedFilter
org.apache.hadoop.hbase.http.AdminAuthorizedServlet	General servlet which is admin-authorized.
org.apache.hadoop.hbase.client.AdvancedScanResultConsumer	This is the low level API for asynchronous scan.
org.apache.hadoop.hbase.client.AdvancedScanResultConsumer.ScanController	Used to suspend or stop a scan, or get a scan cursor if available.
org.apache.hadoop.hbase.client.AdvancedScanResultConsumer.ScanResumer	Used to resume a scan.
org.apache.hadoop.hbase.io.crypto.aes.AES	AES-128, provided by the JCE
org.apache.hadoop.hbase.io.crypto.aes.AESDecryptor
org.apache.hadoop.hbase.io.crypto.aes.AESEncryptor
org.apache.hadoop.hbase.io.hfile.AgeSnapshot	Snapshot of block cache age in cache.
org.apache.hadoop.hbase.regionserver.AnnotationReadingPriorityFunction	Reads special method annotations and table names to figure a priority for use by QoS facility in ipc; e.g: rpcs to hbase:meta get priority.
org.apache.hadoop.hbase.client.Append	Performs Append operations on a single row.
org.apache.hadoop.hbase.ArrayBackedTag	This is a Tag implementation in which value is backed by an on heap byte array.
org.apache.hadoop.hbase.master.AssignmentVerificationReport	Helper class that is used by RegionPlacementMaintainer to print information for favored nodes
org.apache.hadoop.hbase.client.AsyncAdmin	The asynchronous administrative API for HBase.
org.apache.hadoop.hbase.client.AsyncAdminBuilder	For creating AsyncAdmin.
org.apache.hadoop.hbase.client.AsyncAdminClientUtils	Additional Asynchronous Admin capabilities for clients.
org.apache.hadoop.hbase.client.AsyncAdminRequestRetryingCaller<T>
org.apache.hadoop.hbase.client.AsyncAdminRequestRetryingCaller.Callable<T>
org.apache.hadoop.hbase.client.AsyncBufferedMutator	Used to communicate with a single HBase table in batches.
org.apache.hadoop.hbase.client.AsyncBufferedMutatorBuilder	For creating AsyncBufferedMutator.
org.apache.hadoop.hbase.client.example.AsyncClientExample	A simple example shows how to use asynchronous client.
org.apache.hadoop.hbase.client.AsyncConnection	The asynchronous version of Connection.
org.apache.hadoop.hbase.client.AsyncConnectionImpl	The implementation of AsyncConnection.
org.apache.hadoop.hbase.io.asyncfs.AsyncFSOutput	Interface for asynchronous filesystem output stream.
org.apache.hadoop.hbase.io.asyncfs.AsyncFSOutputHelper	Helper class for creating AsyncFSOutput.
org.apache.hadoop.hbase.regionserver.wal.AsyncFSWAL	An asynchronous implementation of FSWAL.
org.apache.hadoop.hbase.wal.AsyncFSWALProvider	A WAL provider that use AsyncFSWAL.
org.apache.hadoop.hbase.wal.AsyncFSWALProvider.AsyncWriter
org.apache.hadoop.hbase.client.AsyncMasterRequestRpcRetryingCaller<T>	Retry caller for a request call to master.
org.apache.hadoop.hbase.client.AsyncMasterRequestRpcRetryingCaller.Callable<T>
org.apache.hadoop.hbase.AsyncMetaTableAccessor	The asynchronous meta table accessor.
org.apache.hadoop.hbase.client.AsyncProcessTask<T>	Contains the attributes of a task which will be executed by AsyncProcess.
org.apache.hadoop.hbase.client.AsyncProcessTask.Builder<T>
org.apache.hadoop.hbase.client.AsyncProcessTask.SubmittedRows	The number of processed rows.
org.apache.hadoop.hbase.regionserver.wal.AsyncProtobufLogWriter	AsyncWriter for protobuf-based WAL.
org.apache.hadoop.hbase.client.AsyncRequestFuture	The context used to wait for results from one submit call.
org.apache.hadoop.hbase.client.AsyncRpcRetryingCaller<T>
org.apache.hadoop.hbase.client.AsyncServerRequestRpcRetryingCaller<T>	Retry caller for a request call to region server.
org.apache.hadoop.hbase.client.AsyncServerRequestRpcRetryingCaller.Callable<T>
org.apache.hadoop.hbase.client.AsyncTable<C extends org.apache.hadoop.hbase.client.ScanResultConsumerBase>	The interface for asynchronous version of Table.
org.apache.hadoop.hbase.client.AsyncTable.CheckAndMutateBuilder	Deprecated. Since 2.4.0, will be removed in 4.0.0.
org.apache.hadoop.hbase.client.AsyncTable.CheckAndMutateWithFilterBuilder	Deprecated. Since 2.4.0, will be removed in 4.0.0.
org.apache.hadoop.hbase.client.AsyncTable.CoprocessorCallback<R>	The callback when we want to execute a coprocessor call on a range of regions.
org.apache.hadoop.hbase.client.AsyncTable.CoprocessorServiceBuilder<S,R>	Helper class for sending coprocessorService request that executes a coprocessor call on regions which are covered by a range.
org.apache.hadoop.hbase.client.AsyncTableBuilder<C extends org.apache.hadoop.hbase.client.ScanResultConsumerBase>	For creating AsyncTable.
org.apache.hadoop.hbase.client.AsyncTableRegionLocator	The asynchronous version of RegionLocator.
org.apache.hadoop.hbase.util.AtomicUtils	Utilities related to atomic operations.
org.apache.hadoop.hbase.client.Attributes
org.apache.hadoop.hbase.hbtop.terminal.Attributes	The attributes of text in the terminal.
org.apache.hadoop.hbase.security.AuthMethod	Authentication method
org.apache.hadoop.hbase.AuthUtil	Deprecated. since 2.2.0, to be marked as InterfaceAudience.Private in 4.0.0.
org.apache.hadoop.hbase.quotas.AverageIntervalRateLimiter	This limiter will refill resources at every TimeUnit/resources interval.
org.apache.hadoop.hbase.util.AvlUtil	Helper class that allows to create and manipulate an AvlTree.
org.apache.hadoop.hbase.util.AvlUtil.AvlInsertOrReplace<TNode extends org.apache.hadoop.hbase.util.AvlUtil.AvlNode>
org.apache.hadoop.hbase.util.AvlUtil.AvlIterableList	Helper class that allows to create and manipulate a linked list of AvlLinkedNodes
org.apache.hadoop.hbase.util.AvlUtil.AvlKeyComparator<TNode extends org.apache.hadoop.hbase.util.AvlUtil.AvlNode>	The AvlTree allows to lookup an object using a custom key.
org.apache.hadoop.hbase.util.AvlUtil.AvlLinkedNode<TNode extends org.apache.hadoop.hbase.util.AvlUtil.AvlLinkedNode>	This class extends the AvlNode and adds two links that will be used in conjunction with the AvlIterableList class.
org.apache.hadoop.hbase.util.AvlUtil.AvlNode<TNode extends org.apache.hadoop.hbase.util.AvlUtil.AvlNode>	This class represent a node that will be used in an AvlTree.
org.apache.hadoop.hbase.util.AvlUtil.AvlNodeVisitor<TNode extends org.apache.hadoop.hbase.util.AvlUtil.AvlNode>	Visitor that allows to traverse a set of AvlNodes.
org.apache.hadoop.hbase.util.AvlUtil.AvlTree	Helper class that allows to create and manipulate an AVL Tree
org.apache.hadoop.hbase.util.AvlUtil.AvlTreeIterator<TNode extends org.apache.hadoop.hbase.util.AvlUtil.AvlNode>	Iterator for the AvlTree
org.apache.hadoop.hbase.backup.BackupAdmin	The administrative API for HBase Backup.
org.apache.hadoop.hbase.backup.BackupClientFactory
org.apache.hadoop.hbase.backup.BackupCopyJob	Backup copy job is a part of a backup process.
org.apache.hadoop.hbase.backup.BackupDriver	Command-line entry point for backup operation
org.apache.hadoop.hbase.backup.BackupHFileCleaner	Implementation of a file cleaner that checks if an hfile is still referenced by backup before deleting it from hfile archive directory.
org.apache.hadoop.hbase.backup.BackupInfo	An object to encapsulate the information for each backup session
org.apache.hadoop.hbase.backup.BackupInfo.BackupPhase	BackupPhase - phases of an ACTIVE backup session (running), when state of a backup session is BackupState.RUNNING
org.apache.hadoop.hbase.backup.BackupInfo.BackupState	Backup session states
org.apache.hadoop.hbase.backup.BackupInfo.Filter
org.apache.hadoop.hbase.backup.BackupMergeJob	Backup merge operation job interface.
org.apache.hadoop.hbase.backup.BackupObserver	An Observer to facilitate backup operations
org.apache.hadoop.hbase.backup.BackupRequest	POJO class for backup request
org.apache.hadoop.hbase.backup.BackupRequest.Builder
org.apache.hadoop.hbase.backup.BackupRestoreConstants	BackupRestoreConstants holds a bunch of HBase Backup and Restore constants
org.apache.hadoop.hbase.backup.BackupRestoreConstants.BackupCommand
org.apache.hadoop.hbase.backup.BackupRestoreFactory	Factory implementation for backup/restore related jobs
org.apache.hadoop.hbase.backup.BackupTableInfo	Backup related information encapsulated for a table.
org.apache.hadoop.hbase.backup.BackupType
org.apache.hadoop.hbase.ipc.BadAuthException
org.apache.hadoop.hbase.ipc.BalancedQueueRpcExecutor	An RpcExecutor that will balance requests evenly across all its queues, but still remains efficient with a single queue via an inlinable queue balancing mechanism.
BalancerDecision	History of balancer decisions taken for region movements.
org.apache.hadoop.hbase.client.BalancerDecision.Builder
org.apache.hadoop.hbase.namequeues.BalancerDecisionDetails	Balancer decision details that would be passed on to ring buffer for history
org.apache.hadoop.hbase.namequeues.impl.BalancerDecisionQueueService	In-memory Queue service provider for Balancer Decision events
org.apache.hadoop.hbase.client.BalanceRequest	Encapsulates options for executing a run of the Balancer.
org.apache.hadoop.hbase.client.BalanceRequest.Builder	Builder for constructing a BalanceRequest
org.apache.hadoop.hbase.client.BalanceResponse	Response returned from a balancer invocation
org.apache.hadoop.hbase.client.BalanceResponse.Builder	Used in HMaster to build a BalanceResponse for returning results of a balance invocation to callers
BalancerRejection	History of detail information that balancer movements was rejected
org.apache.hadoop.hbase.client.BalancerRejection.Builder
org.apache.hadoop.hbase.namequeues.BalancerRejectionDetails	Balancer rejection details that would be passed on to ring buffer for history
org.apache.hadoop.hbase.namequeues.impl.BalancerRejectionQueueService	In-memory Queue service provider for Balancer Rejection events
org.apache.hadoop.hbase.BaseConfigurable	HBase version of Hadoop's Configured class that doesn't initialize the configuration via BaseConfigurable.setConf(Configuration) in the constructor, but only sets the configuration through the BaseConfigurable.setConf(Configuration) method
org.apache.hadoop.hbase.codec.BaseDecoder	TODO javadoc
org.apache.hadoop.hbase.codec.BaseDecoder.PBIS
org.apache.hadoop.hbase.codec.BaseEncoder	TODO javadoc
org.apache.hadoop.hbase.coprocessor.BaseEnvironment<C extends org.apache.hadoop.hbase.Coprocessor>	Encapsulation of the environment of each coprocessor
org.apache.hadoop.hbase.replication.BaseReplicationEndpoint	A Base implementation for ReplicationEndpoints.
org.apache.hadoop.hbase.regionserver.BaseRowProcessor<S extends com.google.protobuf.Message,T extends com.google.protobuf.Message>	Base class for RowProcessor with some default implementations.
org.apache.hadoop.hbase.coprocessor.BaseRowProcessorEndpoint<S extends com.google.protobuf.Message,T extends com.google.protobuf.Message>	This class demonstrates how to implement atomic read-modify-writes using Region.processRowsWithLocks(org.apache.hadoop.hbase.regionserver.RowProcessor<?, ?>) and Coprocessor endpoints.
org.apache.hadoop.hbase.metrics.BaseSource	BaseSource for dynamic metrics to announce to Metrics2.
org.apache.hadoop.hbase.metrics.BaseSourceImpl	Hadoop 2 implementation of BaseSource (using metrics2 framework).
org.apache.hadoop.hbase.regionserver.BasicMemStoreCompactionStrategy	Basic strategy chooses between two actions: flattening a segment or merging indices of all segments in the pipeline.
org.apache.hadoop.hbase.client.BatchScanResultCache	A scan result cache for batched scan, i.e, scan.getBatch() > 0 && !scan.getAllowPartialResults().
org.apache.hadoop.hbase.hbtop.terminal.impl.batch.BatchTerminal	An implementation of the Terminal interface for batch mode.
org.apache.hadoop.hbase.hbtop.terminal.impl.batch.BatchTerminalPrinter	An implementation of the TerminalPrinter interface for batch mode.
org.apache.hadoop.hbase.filter.BigDecimalComparator	A BigDecimal comparator which numerical compares against the specified byte array
org.apache.hadoop.hbase.filter.BinaryComparator	A binary comparator which lexicographically compares against the specified byte array using Bytes.compareTo(byte[], byte[]).
org.apache.hadoop.hbase.filter.BinaryComponentComparator	A comparator which compares against a specified byte array, but only compares specific portion of the byte array.
org.apache.hadoop.hbase.filter.BinaryPrefixComparator	A comparator which compares against a specified byte array, but only compares up to the length of this byte array.
org.apache.hadoop.hbase.filter.BitComparator	A bit comparator which performs the specified bitwise operation on each of the bytes with the specified byte array.
org.apache.hadoop.hbase.filter.BitComparator.BitwiseOp	Bit operators.
org.apache.hadoop.hbase.io.hfile.BlockCache	Block cache interface.
org.apache.hadoop.hbase.io.hfile.BlockCacheFactory
org.apache.hadoop.hbase.io.hfile.BlockCacheKey	Cache Key for use with implementations of BlockCache
org.apache.hadoop.hbase.io.hfile.BlockCacheUtil	Utilty for aggregating counts in CachedBlocks and toString/toJSON CachedBlocks and BlockCaches.
org.apache.hadoop.hbase.io.hfile.BlockCacheUtil.CachedBlocksByFile	Use one of these to keep a running account of cached blocks by file.
org.apache.hadoop.hbase.io.hfile.BlockCompressedSizePredicator	Allows for defining different compression rate predicates on its implementing classes.
org.apache.hadoop.hbase.io.hfile.BlockIndexChunk
org.apache.hadoop.hbase.ipc.BlockingRpcCallback<R>	Simple RpcCallback implementation providing a Future-like BlockingRpcCallback.get() method, which will block util the instance's BlockingRpcCallback.run(Object) method has been called.
org.apache.hadoop.hbase.ipc.BlockingRpcClient	Does RPC against a cluster.
org.apache.hadoop.hbase.io.util.BlockIOUtils
org.apache.hadoop.hbase.io.hfile.BlockPriority
org.apache.hadoop.hbase.io.hfile.BlockType	Various types of HFile blocks.
org.apache.hadoop.hbase.io.hfile.BlockType.BlockCategory
org.apache.hadoop.hbase.io.hfile.BlockWithScanInfo	BlockWithScanInfo is wrapper class for HFileBlock with other attributes.
org.apache.hadoop.hbase.util.BloomContext	The bloom context that is used by the StorefileWriter to add the bloom details per cell
org.apache.hadoop.hbase.util.BloomFilter	Implements a Bloom filter, as defined by Bloom in 1970.
org.apache.hadoop.hbase.util.BloomFilterBase	Common methods Bloom filter methods required at read and write time.
org.apache.hadoop.hbase.util.BloomFilterChunk	The basic building block for the CompoundBloomFilter
org.apache.hadoop.hbase.util.BloomFilterFactory	Handles Bloom filter initialization based on configuration and serialized metadata in the reader and writer of HStoreFile.
org.apache.hadoop.hbase.io.hfile.BloomFilterMetrics
org.apache.hadoop.hbase.util.BloomFilterUtil	Utility methods related to BloomFilters
org.apache.hadoop.hbase.util.BloomFilterWriter	Specifies methods needed to add elements to a Bloom filter and serialize the resulting Bloom filter as a sequence of bytes.
org.apache.hadoop.hbase.regionserver.BloomType
org.apache.hadoop.hbase.master.BooleanStateStore	Store a boolean state.
org.apache.hadoop.hbase.regionserver.BootstrapNodeManager	Manage the bootstrap node list at region server side.
org.apache.hadoop.hbase.util.BoundedCompletionService<V>	A completion service, close to the one available in the JDK 1.7 However, this ones keeps the list of the future, and allows to cancel them all.
org.apache.hadoop.hbase.wal.BoundedEntryBuffers	Used for BoundedRecoveredEditsOutputSink.
org.apache.hadoop.hbase.wal.BoundedGroupingStrategy	A WAL grouping strategy that limits the number of wal groups to "hbase.wal.regiongrouping.numgroups".
org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue<E>	A generic bounded blocking Priority-Queue.
org.apache.hadoop.hbase.wal.BoundedRecoveredHFilesOutputSink	A WALSplitter sink that outputs HFiles.
org.apache.hadoop.hbase.tool.coprocessor.Branch1CoprocessorMethods
org.apache.hadoop.hbase.regionserver.BrokenStoreFileCleaner	This Chore, every time it runs, will clear the unsused HFiles in the data folder.
org.apache.hadoop.hbase.client.BufferedMutator	Used to communicate with a single HBase table similar to Table but meant for batched, asynchronous puts.
org.apache.hadoop.hbase.client.BufferedMutator.ExceptionListener	Listens for asynchronous exceptions on a BufferedMutator.
org.apache.hadoop.hbase.client.example.BufferedMutatorExample	An example of using the BufferedMutator interface.
org.apache.hadoop.hbase.client.BufferedMutatorImpl	Used to communicate with a single HBase table similar to Table but meant for batched, potentially asynchronous puts.
org.apache.hadoop.hbase.client.BufferedMutatorParams	Parameters for instantiating a BufferedMutator.
org.apache.hadoop.hbase.replication.BulkLoadCellFilter
org.apache.hadoop.hbase.coprocessor.BulkLoadObserver	Coprocessors implement this interface to observe and mediate bulk load operations.
org.apache.hadoop.hbase.regionserver.BusyRegionSplitPolicy	This class represents a split policy which makes the split decision based on how busy a region is.
org.apache.hadoop.hbase.filter.ByteArrayComparable	Base class for byte array comparators
org.apache.hadoop.hbase.util.ByteArrayHashKey
org.apache.hadoop.hbase.io.ByteArrayOutputStream	Our own implementation of ByteArrayOutputStream where all methods are NOT synchronized and supports writing ByteBuffer directly to it.
org.apache.hadoop.hbase.http.gson.ByteArraySerializer	Serialize a byte[] using Bytes.toString().
org.apache.hadoop.hbase.nio.ByteBuff	An abstract class that abstracts out as to how the byte buffers are used, either single or multiple.
org.apache.hadoop.hbase.io.ByteBuffAllocator	ByteBuffAllocator is used for allocating/freeing the ByteBuffers from/to NIO ByteBuffer pool, and it provide high-level interfaces for upstream.
org.apache.hadoop.hbase.io.ByteBuffAllocator.Recycler
org.apache.hadoop.hbase.util.ByteBufferAllocator	Defines the way the ByteBuffers are created
org.apache.hadoop.hbase.util.ByteBufferArray	This class manages an array of ByteBuffers with a default size 4MB.
org.apache.hadoop.hbase.regionserver.ByteBufferChunkKeyValue	ByteBuffer based cell which has the chunkid at the 0th offset
org.apache.hadoop.hbase.ByteBufferExtendedCell	This class is a server side extension to the Cell interface.
org.apache.hadoop.hbase.io.ByteBufferInputStream	Not thread safe!
org.apache.hadoop.hbase.ByteBufferKeyOnlyKeyValue	This is a key only Cell implementation which is identical to KeyValue.KeyOnlyKeyValue with respect to key serialization but have its data in the form of Byte buffer (onheap and offheap).
org.apache.hadoop.hbase.ByteBufferKeyValue	This Cell is an implementation of ByteBufferExtendedCell where the data resides in off heap/ on heap ByteBuffer
org.apache.hadoop.hbase.io.ByteBufferListOutputStream	An OutputStream which writes data into ByteBuffers.
org.apache.hadoop.hbase.io.ByteBufferOutputStream	Not thread safe!
org.apache.hadoop.hbase.ByteBufferTag	This is a Tag implementation in which value is backed by ByteBuffer
org.apache.hadoop.hbase.util.ByteBufferUtils	Deprecated. This class will become IA.Private in HBase 3.0.
org.apache.hadoop.hbase.io.ByteBufferWriter	This interface marks a class to support writing ByteBuffers into it.
org.apache.hadoop.hbase.io.ByteBufferWriterDataOutputStream	Our extension of DataOutputStream which implements ByteBufferWriter
org.apache.hadoop.hbase.io.ByteBufferWriterOutputStream	When deal with OutputStream which is not ByteBufferWriter type, wrap it with this class.
org.apache.hadoop.hbase.io.ByteBuffInputStream	Not thread safe!
org.apache.hadoop.hbase.util.ByteRange	Lightweight, reusable class for specifying ranges of byte[]'s.
org.apache.hadoop.hbase.util.ByteRangeUtils	Utility methods for working with ByteRange.
org.apache.hadoop.hbase.util.Bytes	Utility class that handles byte arrays, conversions to/from other types, comparisons, hash code generation, manufacturing keys for HashMaps or HashSets, and can be used as key in maps or trees.
org.apache.hadoop.hbase.util.Bytes.ByteArrayComparator	Byte array comparator class.
org.apache.hadoop.hbase.util.Bytes.RowEndKeyComparator	A Bytes.ByteArrayComparator that treats the empty array as the largest value.
org.apache.hadoop.hbase.io.hfile.Cacheable	Cacheable is an interface that allows for an object to be cached.
org.apache.hadoop.hbase.io.hfile.CacheableDeserializer<T extends org.apache.hadoop.hbase.io.hfile.Cacheable>	Interface for a deserializer.
org.apache.hadoop.hbase.io.hfile.CacheableDeserializerIdManager	This class is used to manage the identifiers for CacheableDeserializer.
org.apache.hadoop.hbase.io.hfile.CacheConfig	Stores all of the cache objects and configuration for a single HFile.
org.apache.hadoop.hbase.io.hfile.CachedBlock
org.apache.hadoop.hbase.master.CachedClusterId	Caches the cluster ID of the cluster.
org.apache.hadoop.hbase.mob.CachedMobFile	Cached mob file.
org.apache.hadoop.hbase.CacheEvictionStats
org.apache.hadoop.hbase.CacheEvictionStatsAggregator	Used to merge CacheEvictionStats.
org.apache.hadoop.hbase.CacheEvictionStatsBuilder
org.apache.hadoop.hbase.io.hfile.CacheStats	Class that implements cache metrics.
org.apache.hadoop.hbase.ipc.CallCancelledException	Client side call cancelled.
org.apache.hadoop.hbase.CallDroppedException	Returned to the clients when their request was discarded due to server being overloaded.
org.apache.hadoop.hbase.ipc.CallerDisconnectedException	Exception indicating that the remote host making this IPC lost its IPC connection.
org.apache.hadoop.hbase.thrift.CallQueue	A BlockingQueue reports waiting time in queue and queue length to ThriftMetrics.
org.apache.hadoop.hbase.thrift.CallQueue.Call
org.apache.hadoop.hbase.ipc.CallQueueInfo
org.apache.hadoop.hbase.CallQueueTooBigException	Returned to clients when their request was dropped because the call queue was too big to accept a new call.
org.apache.hadoop.hbase.ipc.CallRunner	The request processing logic, which is usually executed in thread pools provided by an RpcScheduler.
org.apache.hadoop.hbase.ipc.CallTimeoutException	Client-side call timeout
org.apache.hadoop.hbase.util.CancelableProgressable	Similar interface as Progressable but returns a boolean to support canceling the operation.
org.apache.hadoop.hbase.io.compress.CanReinit	This is a marker interface that indicates if a compressor or decompressor type can support reinitialization via reinit(Configuration conf).
org.apache.hadoop.hbase.CatalogReplicaMode	There are two modes with catalog replica support.
org.apache.hadoop.hbase.Cell	The unit of storage in HBase consisting of the following fields:
org.apache.hadoop.hbase.hbtop.terminal.impl.Cell	Represents a single text cell of the terminal.
org.apache.hadoop.hbase.Cell.Type	The valid types for user to build the cell.
org.apache.hadoop.hbase.regionserver.CellArrayImmutableSegment	CellArrayImmutableSegment extends the API supported by a Segment, and ImmutableSegment.
org.apache.hadoop.hbase.regionserver.CellArrayMap	CellArrayMap is a simple array of Cells and cannot be allocated off-heap.
org.apache.hadoop.hbase.CellBuilder	Use CellBuilderFactory to get CellBuilder instance.
org.apache.hadoop.hbase.CellBuilderFactory	Create a CellBuilder instance.
org.apache.hadoop.hbase.CellBuilderType	Used by CellBuilderFactory and ExtendedCellBuilderFactory.
org.apache.hadoop.hbase.regionserver.CellChunkImmutableSegment	CellChunkImmutableSegment extends the API supported by a Segment, and ImmutableSegment.
org.apache.hadoop.hbase.regionserver.CellChunkMap	CellChunkMap is an array of serialized representations of Cell (pointing to Chunks with full Cell data) and can be allocated both off-heap and on-heap.
org.apache.hadoop.hbase.codec.CellCodec	Basic Cell codec that just writes out all the individual elements of a Cell.
org.apache.hadoop.hbase.codec.CellCodecWithTags	Basic Cell codec that just writes out all the individual elements of a Cell including the tags.
CellComparator	Comparator for comparing cells and has some specialized methods that allows comparing individual cell components like row, family, qualifier and timestamp
org.apache.hadoop.hbase.CellComparatorImpl	Compare two HBase cells.
org.apache.hadoop.hbase.mapreduce.CellCounter	A job with a a map and reduce phase to count cells in a table.
org.apache.hadoop.hbase.mapreduce.CellCreator	Facade to create Cells for HFileOutputFormat.
org.apache.hadoop.hbase.regionserver.CellFlatMap	CellFlatMap stores a constant number of elements and is immutable after creation stage.
org.apache.hadoop.hbase.util.CellHashKey	Extracts the byte for the hash calculation from the given cell
org.apache.hadoop.hbase.io.CellOutputStream	Accepts a stream of Cells.
org.apache.hadoop.hbase.CellScannable	Implementer can return a CellScanner over its Cell content.
org.apache.hadoop.hbase.CellScanner	An interface for iterating through a sequence of cells.
org.apache.hadoop.hbase.ipc.CellScannerButNoCodecException	Thrown if a cellscanner but no codec to encode it with.
org.apache.hadoop.hbase.mapreduce.CellSerialization	Use to specify the type of serialization for the mappers and reducers
org.apache.hadoop.hbase.mapreduce.CellSerialization.CellDeserializer
org.apache.hadoop.hbase.mapreduce.CellSerialization.CellSerializer
org.apache.hadoop.hbase.regionserver.CellSet	A Set of Cells, where an add will overwrite the entry if already exists in the set.
org.apache.hadoop.hbase.regionserver.CellSink	A sink of cells that allows appending cells to the Writers that implement it.
org.apache.hadoop.hbase.mapreduce.CellSortReducer	Emits sorted Cells.
org.apache.hadoop.hbase.CellUtil	Utility methods helpful for slinging Cell instances.
org.apache.hadoop.hbase.replication.ChainWALEntryFilter	A WALEntryFilter which contains multiple filters and applies them in chain order
org.apache.hadoop.hbase.regionserver.ChangedReadersObserver	If set of MapFile.Readers in Store change, implementors are notified.
org.apache.hadoop.hbase.chaos.ChaosAgent	An agent for executing destructive actions for ChaosMonkey.
org.apache.hadoop.hbase.chaos.ChaosAgent.LocalShell	Executes Command locally.
org.apache.hadoop.hbase.chaos.ChaosConstants	ChaosConstant holds a bunch of Choas-related Constants
org.apache.hadoop.hbase.chaos.ChaosService	Class used to start/stop Chaos related services (currently chaosagent)
org.apache.hadoop.hbase.chaos.ChaosUtils	ChaosUtils holds a bunch of useful functions like getting hostname and getting ZooKeeper quorum.
CheckAndMutate	Used to perform CheckAndMutate operations.
CheckAndMutate.Builder	A builder class for building a CheckAndMutate object.
org.apache.hadoop.hbase.client.CheckAndMutateResult	Represents a result of a CheckAndMutate operation
org.apache.hadoop.hbase.util.ChecksumType	Checksum types.
org.apache.hadoop.hbase.io.hfile.ChecksumUtil	Utility methods to compute and validate checksums.
org.apache.hadoop.hbase.ChoreService	ChoreService is a service that can be used to schedule instances of ScheduledChore to run periodically while sharing threads.
org.apache.hadoop.hbase.regionserver.Chunk	A chunk of memory out of which allocations are sliced.
org.apache.hadoop.hbase.regionserver.ChunkCreator	Does the management of memstoreLAB chunk creations.
org.apache.hadoop.hbase.regionserver.ChunkCreator.ChunkType	Types of chunks, based on their sizes
org.apache.hadoop.hbase.io.crypto.Cipher	A common interface for a cryptographic algorithm.
org.apache.hadoop.hbase.io.crypto.CipherProvider	An CipherProvider contributes support for various cryptographic Ciphers.
org.apache.hadoop.hbase.util.Classes	Utilities for class manipulation.
org.apache.hadoop.hbase.util.ClassLoaderBase	Base class loader that defines couple shared constants used by sub-classes.
org.apache.hadoop.hbase.util.ClassSize	Class for determining the "size" of a class, an attempt to calculate the actual bytes that an object of this class will occupy in memory The core of this class is taken from the Derby project
org.apache.hadoop.hbase.http.ClickjackingPreventionFilter
org.apache.hadoop.hbase.rest.client.Client	A wrapper around HttpClient which provides some useful function and semantics for interacting with the REST gateway.
org.apache.hadoop.hbase.rest.client.Client.ClientTrustStoreInitializationException
org.apache.hadoop.hbase.client.ClientAsyncPrefetchScanner	ClientAsyncPrefetchScanner implements async scanner behaviour.
org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicy	Configurable policy for the amount of time a client should wait for a new request to the server when given the server load statistics.
org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicyFactory
org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicyFactory.NoBackoffPolicy	Default backoff policy that doesn't create any backoff for the client, regardless of load
org.apache.hadoop.hbase.client.ClientCoprocessorRpcController	Client side rpc controller for coprocessor implementation.
org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil
org.apache.hadoop.hbase.hbtop.mode.ClientModeStrategy	Implementation for ModeStrategy for client Mode.
org.apache.hadoop.hbase.client.ClientScanner	Implements the scanner interface for the HBase client.
org.apache.hadoop.hbase.client.ClientServiceCallable<T>	A RegionServerCallable set to use the Client protocol.
org.apache.hadoop.hbase.client.ClientSideRegionScanner	A client scanner for a region opened for read-only on the client side.
org.apache.hadoop.hbase.client.ClientSimpleScanner	ClientSimpleScanner implements a sync scanner behaviour.
org.apache.hadoop.hbase.snapshot.ClientSnapshotDescriptionUtils	Class to help with dealing with a snapshot description on the client side.
org.apache.hadoop.hbase.client.ClientUtil
org.apache.hadoop.hbase.util.ClientUtils	Common Utility class for clients
org.apache.hadoop.hbase.ClockOutOfSyncException	This exception is thrown by the master when a region server clock skew is too high.
org.apache.hadoop.hbase.rest.client.Cluster	A list of 'host:port' addresses of HTTP servers operating as a single entity, for example multiple redundant web service gateways.
org.apache.hadoop.hbase.client.ClusterConnection	Internal methods on Connection that should not be used by user code.
org.apache.hadoop.hbase.ClusterId	The identifier for this cluster.
org.apache.hadoop.hbase.replication.ClusterMarkingEntryFilter	Filters out entries with our peerClusterId (i.e.
org.apache.hadoop.hbase.ClusterMetrics	Metrics information on the HBase cluster.
org.apache.hadoop.hbase.ClusterMetrics.Option	Kinds of ClusterMetrics
org.apache.hadoop.hbase.ClusterMetricsBuilder
org.apache.hadoop.hbase.master.ClusterSchema	View and edit the current cluster schema.
org.apache.hadoop.hbase.master.ClusterSchemaService	Mixes in ClusterSchema and Service
org.apache.hadoop.hbase.ClusterStatus	Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0 Use ClusterMetrics instead.
org.apache.hadoop.hbase.master.ClusterStatusPublisher	Class to publish the cluster status to the client.
org.apache.hadoop.hbase.master.ClusterStatusPublisher.MulticastPublisher
org.apache.hadoop.hbase.master.ClusterStatusPublisher.Publisher
org.apache.hadoop.hbase.zookeeper.ClusterStatusTracker	Tracker on cluster settings up in zookeeper.
org.apache.hadoop.hbase.codec.Codec	Encoder/Decoder for Cell.
org.apache.hadoop.hbase.codec.Codec.Decoder	Implementations should implicitly clean up any resources allocated when the Decoder/CellScanner runs off the end of the cell block.
org.apache.hadoop.hbase.codec.Codec.Encoder	Call flush when done.
org.apache.hadoop.hbase.codec.CodecException	Thrown when problems in the codec whether setup or context.
org.apache.hadoop.hbase.util.CollectionBackedScanner	Utility scanner that wraps a sortable collection and serves as a KeyValueScanner.
org.apache.hadoop.hbase.util.CollectionUtils	Deprecated. Since 2.0.6/2.1.3/2.2.0
org.apache.hadoop.hbase.hbtop.terminal.Color	Terminal color definitions.
org.apache.hadoop.hbase.filter.ColumnCountGetFilter	Simple filter that returns first N columns on row only.
org.apache.hadoop.hbase.client.ColumnFamilyDescriptor	An ColumnFamilyDescriptor contains information about a column family such as the number of versions, compression settings, etc.
org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder
org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder.ModifyableColumnFamilyDescriptor	An ModifyableFamilyDescriptor contains information about a column family such as the number of versions, compression settings, etc.
org.apache.hadoop.hbase.coprocessor.ColumnInterpreter<T,S,P extends com.google.protobuf.Message,Q extends com.google.protobuf.Message,R extends com.google.protobuf.Message>	Defines how value for specific column is interpreted and provides utility methods like compare, add, multiply etc for them.
org.apache.hadoop.hbase.filter.ColumnPaginationFilter	A filter, based on the ColumnCountGetFilter, takes two arguments: limit and offset.
org.apache.hadoop.hbase.filter.ColumnPrefixFilter	This filter is used for selecting only those keys with columns that matches a particular prefix.
org.apache.hadoop.hbase.filter.ColumnRangeFilter	This filter is used for selecting only those keys with columns that are between minColumn to maxColumn.
org.apache.hadoop.hbase.regionserver.querymatcher.ColumnTracker	Implementing classes of this interface will be used for the tracking and enforcement of columns and numbers of versions and timeToLive during the course of a Get or Scan operation.
org.apache.hadoop.hbase.filter.ColumnValueFilter	Different from SingleColumnValueFilter which returns an entire row when specified condition is matched, ColumnValueFilter return the matched cell only.
org.apache.hadoop.hbase.io.hfile.CombinedBlockCache	CombinedBlockCache is an abstraction layer that combines FirstLevelBlockCache and BucketCache.
org.apache.hadoop.hbase.io.hfile.CombinedBlockCache.CombinedCacheStats
org.apache.hadoop.hbase.hbtop.screen.help.CommandDescription	Represents a description of a command that we can execute in the top screen.
org.apache.hadoop.hbase.util.CommonFSUtils	Utility methods for interacting with the underlying file system.
org.apache.hadoop.hbase.util.CommonFSUtils.StreamLacksCapabilityException	Helper exception for those cases where the place where we need to check a stream capability is not where we have the needed context to explain the impact and mitigation for a lack.
org.apache.hadoop.hbase.io.crypto.aes.CommonsCryptoAES
org.apache.hadoop.hbase.io.crypto.aes.CommonsCryptoAESDecryptor
org.apache.hadoop.hbase.io.crypto.aes.CommonsCryptoAESEncryptor
org.apache.hadoop.hbase.regionserver.CompactedHFilesDischargeHandler	Event handler that handles the removal and archival of the compacted hfiles
org.apache.hadoop.hbase.regionserver.CompactedHFilesDischarger	A chore service that periodically cleans up the compacted files when there are no active readers using those compacted files and also helps in clearing the block cache of these compacted file entries.
org.apache.hadoop.hbase.regionserver.CompactingMemStore	A memstore implementation which supports in-memory compaction.
org.apache.hadoop.hbase.regionserver.CompactingMemStore.IndexType	Types of indexes (part of immutable segments) to be used after flattening, compaction, or merge are applied.
org.apache.hadoop.hbase.regionserver.CompactionPipeline	The compaction pipeline of a CompactingMemStore, is a FIFO queue of segments.
org.apache.hadoop.hbase.regionserver.querymatcher.CompactionScanQueryMatcher	Query matcher for compaction.
org.apache.hadoop.hbase.client.CompactionState	POJO representing the compaction state
org.apache.hadoop.hbase.regionserver.throttle.CompactionThroughputControllerFactory
org.apache.hadoop.hbase.regionserver.CompactionTool
org.apache.hadoop.hbase.regionserver.CompactSplit	Compact region on request and then run split if appropriate
org.apache.hadoop.hbase.regionserver.CompactSplit.CompactionCompleteTracker
org.apache.hadoop.hbase.client.CompactType	Currently, there are only two compact types: NORMAL means do store files compaction; MOB means do mob files compaction.
org.apache.hadoop.hbase.filter.CompareFilter	This is a generic filter to be used to filter by comparison.
org.apache.hadoop.hbase.filter.CompareFilter.CompareOp	Deprecated. since 2.0.0.
org.apache.hadoop.hbase.CompareOperator	Generic set of comparison operators.
org.apache.hadoop.hbase.CompatibilityFactory	Class that will create many instances of classes provided by the hbase-hadoop{1|2}-compat jars.
org.apache.hadoop.hbase.CompatibilitySingletonFactory	Factory for classes supplied by hadoop compatibility modules.
org.apache.hadoop.hbase.CompatibilitySingletonFactory.SingletonStorage
org.apache.hadoop.hbase.regionserver.CompositeImmutableSegment	The CompositeImmutableSegments is created as a collection of ImmutableSegments and supports the interface of a single ImmutableSegments.
org.apache.hadoop.hbase.io.hfile.CompoundBloomFilter	A Bloom filter implementation built on top of BloomFilterChunk, encapsulating a set of fixed-size Bloom filters written out at the time of HFile generation into the data block stream, and loaded on demand at query time.
org.apache.hadoop.hbase.io.hfile.CompoundBloomFilterBase
org.apache.hadoop.hbase.io.hfile.CompoundBloomFilterWriter	Adds methods required for writing a compound Bloom filter to the data section of an HFile to the CompoundBloomFilter class.
org.apache.hadoop.hbase.CompoundConfiguration	Do a shallow merge of multiple KV configuration pools.
org.apache.hadoop.hbase.io.compress.Compression	Compression related stuff.
org.apache.hadoop.hbase.io.compress.Compression.Algorithm	Compression algorithms.
org.apache.hadoop.hbase.regionserver.wal.CompressionContext	Context that holds the various dictionaries for compression in WAL.
org.apache.hadoop.hbase.regionserver.wal.CompressionContext.DictionaryIndex
org.apache.hadoop.hbase.util.CompressionTest	Compression validation test.
org.apache.hadoop.hbase.io.compress.CompressionUtil
org.apache.hadoop.hbase.regionserver.wal.Compressor	A set of static functions for running our custom WAL compression/decompression.
org.apache.hadoop.hbase.util.ConcatenatedLists<T>	A collection class that contains multiple sub-lists, which allows us to not copy lists.
org.apache.hadoop.hbase.util.ConcurrentMapUtils	Utility methods for dealing with Collections, including treating null collections as empty.
org.apache.hadoop.hbase.ConcurrentTableModificationException	Thrown when a table has been modified concurrently
org.apache.hadoop.hbase.conf.ConfigurationManager	Maintains the set of all the classes which would like to get notified when the Configuration is reloaded from the disk in the Online Configuration Change mechanism, which lets you update certain configuration properties on-the-fly, without having to restart the cluster.
org.apache.hadoop.hbase.conf.ConfigurationObserver	Every class that wants to observe changes in Configuration properties, must implement interface (and also, register itself with the ConfigurationManager.
org.apache.hadoop.hbase.util.ConfigurationUtil	Utilities for storing more complex collection types in Configuration instances.
org.apache.hadoop.hbase.http.conf.ConfServlet	A servlet to print out the running configuration data.
org.apache.hadoop.hbase.http.conf.ConfServlet.BadFormatException
org.apache.hadoop.hbase.client.Connection	A cluster connection encapsulating lower level individual connections to actual servers and a connection to zookeeper.
org.apache.hadoop.hbase.util.ConnectionCache	A utility to store user specific HConnections in memory.
org.apache.hadoop.hbase.exceptions.ConnectionClosedException	Thrown when the connection is closed
org.apache.hadoop.hbase.exceptions.ConnectionClosingException	Thrown when the client believes that we are trying to communicate to has been repeatedly unresponsive for a while.
org.apache.hadoop.hbase.client.ConnectionConfiguration	Configuration parameters for the connection.
org.apache.hadoop.hbase.client.ConnectionFactory	A non-instantiable class that manages creation of Connections.
org.apache.hadoop.hbase.client.ConnectionImplementation	Main implementation of Connection and ClusterConnection interfaces.
org.apache.hadoop.hbase.client.ConnectionRegistry	Registry for meta information needed for connection setup to a HBase cluster.
org.apache.hadoop.hbase.client.trace.ConnectionSpanBuilder	Construct Span instances originating from the client side of a connection.
org.apache.hadoop.hbase.client.ConnectionUtils	Utility used by client connections.
org.apache.hadoop.hbase.client.Consistency	Consistency defines the expected consistency level for an operation.
org.apache.hadoop.hbase.rest.Constants	Common constants for org.apache.hadoop.hbase.rest
org.apache.hadoop.hbase.thrift.Constants	Thrift related constants
org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy	A RegionSplitPolicy implementation which splits a region as soon as any of its store files exceeds a maximum configurable size.
org.apache.hadoop.hbase.io.crypto.Context	Crypto context.
org.apache.hadoop.hbase.CoordinatedStateManager	Implementations of this interface will keep and return to clients implementations of classes providing API to execute coordinated operations.
org.apache.hadoop.hbase.Coprocessor	Base interface for the 4 coprocessors - MasterCoprocessor, RegionCoprocessor, RegionServerCoprocessor, and WALCoprocessor.
org.apache.hadoop.hbase.Coprocessor.State	Lifecycle state of a given coprocessor instance.
org.apache.hadoop.hbase.util.CoprocessorClassLoader	ClassLoader used to load classes for Coprocessor instances.
org.apache.hadoop.hbase.util.CoprocessorConfigurationUtil	Helper class for coprocessor host when configuration changes.
org.apache.hadoop.hbase.client.CoprocessorDescriptor	CoprocessorDescriptor contains the details about how to build a coprocessor.
org.apache.hadoop.hbase.client.CoprocessorDescriptorBuilder	Used to build the CoprocessorDescriptor
org.apache.hadoop.hbase.CoprocessorEnvironment<C extends org.apache.hadoop.hbase.Coprocessor>	Coprocessor environment state.
org.apache.hadoop.hbase.coprocessor.CoprocessorException	Thrown if a coprocessor encounters any exception.
org.apache.hadoop.hbase.coprocessor.CoprocessorHost<C extends org.apache.hadoop.hbase.Coprocessor,E extends org.apache.hadoop.hbase.CoprocessorEnvironment<C>>	Provides the common setup framework and runtime services for coprocessor invocation from HBase services.
org.apache.hadoop.hbase.coprocessor.CoprocessorHost.ObserverGetter<C,O>	Implementations defined function to get an observer of type O from a coprocessor of type C.
org.apache.hadoop.hbase.tool.coprocessor.CoprocessorMethod
org.apache.hadoop.hbase.tool.coprocessor.CoprocessorMethods
org.apache.hadoop.hbase.ipc.CoprocessorRpcChannel	Base interface which provides clients with an RPC connection to call coprocessor endpoint Services.
org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils	Utilities for handling coprocessor rpc service calls.
org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils.BlockingRpcCallback<R>	Simple RpcCallback implementation providing a Future-like CoprocessorRpcUtils.BlockingRpcCallback.get() method, which will block util the instance's CoprocessorRpcUtils.BlockingRpcCallback.run(Object) method has been called.
org.apache.hadoop.hbase.coprocessor.CoprocessorService	Deprecated. Since 2.0.
org.apache.hadoop.hbase.coprocessor.CoprocessorServiceBackwardCompatiblity	Deprecated.
org.apache.hadoop.hbase.coprocessor.CoprocessorServiceBackwardCompatiblity.MasterCoprocessorService
org.apache.hadoop.hbase.coprocessor.CoprocessorServiceBackwardCompatiblity.RegionCoprocessorService
org.apache.hadoop.hbase.coprocessor.CoprocessorServiceBackwardCompatiblity.RegionServerCoprocessorService
org.apache.hadoop.hbase.tool.coprocessor.CoprocessorValidator
org.apache.hadoop.hbase.tool.coprocessor.CoprocessorViolation
org.apache.hadoop.hbase.tool.coprocessor.CoprocessorViolation.Severity
org.apache.hadoop.hbase.io.encoding.CopyKeyDataBlockEncoder	Just copy data, do not do any kind of compression.
org.apache.hadoop.hbase.types.CopyOnWriteArrayMap<K,V>	A Map that keeps a sorted array in order to provide the concurrent map interface.
org.apache.hadoop.hbase.replication.CopyReplicationPeers	A tool for copying replication peer data across different replication peer storages.
org.apache.hadoop.hbase.mapreduce.CopyTable	Tool used to copy a table to another one which can be on a different setup.
org.apache.hadoop.hbase.coprocessor.CoreCoprocessor	Marker annotation that denotes Coprocessors that are core to HBase.
org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException	Exception thrown when the found snapshot info from the filesystem is not valid.
org.apache.hadoop.hbase.io.hfile.CorruptHFileException	This exception is thrown when attempts to read an HFile fail due to corruption or truncation issues.
org.apache.hadoop.hbase.metrics.Counter	A mutable number optimized for high concurrency counting.
org.apache.hadoop.hbase.util.Counter	Deprecated. since 2.0.0 and will be removed in 3.0.0.
org.apache.hadoop.hbase.snapshot.CreateSnapshot	This is a command line class that will snapshot a given table.
org.apache.hadoop.hbase.regionserver.CreateStoreFileWriterParams
org.apache.hadoop.hbase.io.crypto.aes.CryptoAES	AES encryption and decryption.
org.apache.hadoop.hbase.io.crypto.CryptoCipherProvider	The default cipher provider.
org.apache.hadoop.hbase.regionserver.CSLMImmutableSegment	CSLMImmutableSegment is an abstract class that extends the API supported by a Segment, and ImmutableSegment.
org.apache.hadoop.hbase.tool.coprocessor.CurrentCoprocessorMethods
org.apache.hadoop.hbase.client.Cursor	Scan cursor to tell client where server is scanning Scan.setNeedCursorResult(boolean) Result.isCursor() Result.getCursor()
org.apache.hadoop.hbase.hbtop.terminal.CursorPosition	A 2-d position in 'terminal space'.
org.apache.hadoop.hbase.regionserver.CustomizedScanInfoBuilder	Helper class for CP hooks to change max versions and TTL.
org.apache.hadoop.hbase.DaemonThreadFactory	Thread factory that creates daemon threads
org.apache.hadoop.hbase.regionserver.wal.DamagedWALException	Thrown when a failed append or sync on a WAL.
org.apache.hadoop.hbase.io.encoding.DataBlockEncoder	Encoding of KeyValue.
org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.EncodedSeeker	An interface which enable to seek while underlying data is encoded.
org.apache.hadoop.hbase.io.encoding.DataBlockEncoding	Provide access to all data block encoding algorithms.
org.apache.hadoop.hbase.types.DataType<T>	DataType is the base class for all HBase data types.
org.apache.hadoop.hbase.regionserver.DateTieredMultiFileWriter	class for cell sink that separates the provided cells into multiple files for date tiered compaction.
org.apache.hadoop.hbase.regionserver.DateTieredStoreEngine	HBASE-15400 This store engine allows us to store data in date tiered layout with exponential sizing so that the more recent data has more granularity.
org.apache.hadoop.hbase.master.DeadServer	Class to hold dead servers list and utility querying dead server list.
org.apache.hadoop.hbase.io.DeallocateRewriteByteBuffAllocator	A ByteBuffAllocator that rewrite the bytebuffers right after released.
org.apache.hadoop.hbase.ipc.DecommissionedHostRejectedException
org.apache.hadoop.hbase.io.crypto.Decryptor	Decryptors apply a cipher to an InputStream to recover plaintext.
org.apache.hadoop.hbase.io.crypto.DefaultCipherProvider	The default cipher provider.
org.apache.hadoop.hbase.util.DefaultEnvironmentEdge	Default implementation of an environment edge.
org.apache.hadoop.hbase.regionserver.DefaultMemStore	The MemStore holds in-memory modifications to the Store.
org.apache.hadoop.hbase.mob.DefaultMobStoreCompactor	Compact passed set of files in the mob-enabled column family.
org.apache.hadoop.hbase.mob.DefaultMobStoreFlusher	An implementation of the StoreFlusher.
org.apache.hadoop.hbase.quotas.DefaultOperationQuota
org.apache.hadoop.hbase.regionserver.DefaultStoreEngine	Default StoreEngine creates the default compactor, policy, and store file manager, or their derivatives.
org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher	Default implementation of StoreFlusher.
org.apache.hadoop.hbase.quotas.policies.DefaultViolationPolicyEnforcement	The default implementation for SpaceViolationPolicyEnforcement.
org.apache.hadoop.hbase.mapreduce.DefaultVisibilityExpressionResolver	This implementation creates tags by expanding expression using label ordinal.
org.apache.hadoop.hbase.client.DelayingRunner	A wrapper for a runnable for a group of actions for a single regionserver.
org.apache.hadoop.hbase.ipc.DelegatingHBaseRpcController	Simple delegating controller for use with the RpcControllerFactory to help override standard behavior of a HBaseRpcController.
org.apache.hadoop.hbase.io.DelegatingInputStream	An input stream that delegates all operations to another input stream.
org.apache.hadoop.hbase.ipc.DelegatingRpcScheduler	Users of the hbase.region.server.rpc.scheduler.factory.class customization config can return an implementation which extends this class in order to minimize impact of breaking interface changes.
org.apache.hadoop.hbase.client.Delete	Used to perform Delete operations on a single row.
org.apache.hadoop.hbase.regionserver.querymatcher.DeleteTracker	This interface is used for the tracking and enforcement of Deletes during the course of a Get or Scan operation.
org.apache.hadoop.hbase.regionserver.querymatcher.DeleteTracker.DeleteResult	Returns codes for delete result.
org.apache.hadoop.hbase.zookeeper.DeletionListener	A ZooKeeper watcher meant to detect deletions of ZNodes.
org.apache.hadoop.hbase.regionserver.DelimitedKeyPrefixRegionSplitPolicy	Deprecated. since 2.5.0 and will be removed in 4.0.0.
org.apache.hadoop.hbase.regionserver.DelimitedKeyPrefixRegionSplitRestriction	A RegionSplitRestriction implementation that groups rows by a prefix of the row-key with a delimiter.
org.apache.hadoop.hbase.thrift.DemoClient	See the instructions under hbase-examples/README.txt
org.apache.hadoop.hbase.filter.DependentColumnFilter	A filter for adding inter-column timestamp matching Only cells with a correspondingly timestamped entry in the target column will be retained Not compatible with Scan.setBatch as operations need full rows for correct filtering
org.apache.hadoop.hbase.exceptions.DeserializationException	Failed deserialization.
org.apache.hadoop.hbase.io.util.Dictionary	Dictionary interface Dictionary indexes should be either bytes or shorts, only positive.
org.apache.hadoop.hbase.io.compress.DictionaryCache	A utility class for managing compressor/decompressor dictionary loading and caching of load results.
org.apache.hadoop.hbase.io.encoding.DiffKeyDeltaEncoder	Compress using: - store size of common prefix - save column family once, it is same within HFile - use integer compression for key, value and prefix (7-bit encoding) - use bits to avoid duplication key length, value length and type if it same as previous - store in 3 bits length of timestamp field - allow diff in timestamp instead of actual value Format: - 1 byte: flag - 1-5 bytes: key length (only if FLAG_SAME_KEY_LENGTH is not set in flag) - 1-5 bytes: value length (only if FLAG_SAME_VALUE_LENGTH is not set in flag) - 1-5 bytes: prefix length - ...
org.apache.hadoop.hbase.io.encoding.DiffKeyDeltaEncoder.DiffCompressionState
org.apache.hadoop.hbase.io.encoding.DiffKeyDeltaEncoder.DiffSeekerState
org.apache.hadoop.hbase.util.DirectMemoryUtils	Utilities for interacting with and monitoring DirectByteBuffer allocations.
org.apache.hadoop.hbase.regionserver.DisabledRegionSplitPolicy	A RegionSplitPolicy that disables region splits.
org.apache.hadoop.hbase.quotas.policies.DisableTableViolationPolicyEnforcement	A SpaceViolationPolicyEnforcement which disables the table.
org.apache.hadoop.hbase.util.DNS	Wrapper around Hadoop's DNS class to hide reflection.
org.apache.hadoop.hbase.util.DNS.ServerType
org.apache.hadoop.hbase.DoNotRetryIOException	Subclass if exception is not meant to be retried: e.g.
org.apache.hadoop.hbase.client.DoNotRetryRegionException	Similar to RegionException, but disables retries.
org.apache.hadoop.hbase.master.DrainingServerTracker	Tracks the list of draining region servers via ZK.
org.apache.hadoop.hbase.hbtop.mode.DrillDownInfo	Information about drilling down.
org.apache.hadoop.hbase.mapred.Driver	Driver for hbase mapreduce jobs.
org.apache.hadoop.hbase.mapreduce.Driver	Driver for hbase mapreduce jobs.
org.apache.hadoop.hbase.regionserver.querymatcher.DropDeletesCompactionScanQueryMatcher	A query matcher for compaction which can drop delete markers.
org.apache.hadoop.hbase.DroppedSnapshotException	Thrown during flush if the possibility snapshot content was not properly persisted into store files.
org.apache.hadoop.hbase.regionserver.DumpRegionServerMetrics	Utility for doing JSON and MBeans.
org.apache.hadoop.hbase.client.Durability	Enum describing the durability guarantees for tables and Mutations Note that the items must be sorted in order of increasing durability
org.apache.hadoop.hbase.util.DynamicClassLoader	This is a class loader that can load classes dynamically from new jar files under a configured folder.
org.apache.hadoop.hbase.regionserver.EagerMemStoreCompactionStrategy
org.apache.hadoop.hbase.ipc.EmptyServiceNameException
org.apache.hadoop.hbase.zookeeper.EmptyWatcher	An empty ZooKeeper watcher
org.apache.hadoop.hbase.io.encoding.EncodedDataBlock	Encapsulates a data block compressed using a particular encoding algorithm.
org.apache.hadoop.hbase.io.encoding.EncoderBufferTooSmallException	Internal error which indicates a bug in a data block encoding algorithm.
org.apache.hadoop.hbase.io.encoding.EncodingState	Keeps track of the encoding state.
org.apache.hadoop.hbase.io.crypto.Encryption	A facade for encryption algorithms and related support.
org.apache.hadoop.hbase.io.crypto.Encryption.Context	Crypto context
org.apache.hadoop.hbase.util.EncryptionTest
org.apache.hadoop.hbase.security.EncryptionUtil	Some static utility methods for encryption uses in hbase-client.
org.apache.hadoop.hbase.io.crypto.Encryptor	Encryptors apply a cipher to an OutputStream to produce ciphertext.
org.apache.hadoop.hbase.coprocessor.EndpointObserver	Coprocessors implement this interface to observe and mediate endpoint invocations on a region.
org.apache.hadoop.hbase.client.locking.EntityLock	Lock for HBase Entity either a Table, a Namespace, or Regions.
org.apache.hadoop.hbase.wal.EntryBuffers	Class which accumulates edits and separates them into a buffer per region while simultaneously accounting RAM usage.
org.apache.hadoop.hbase.wal.EntryBuffers.RegionEntryBuffer	A buffer of some number of edits for a given region.
org.apache.hadoop.hbase.util.EnvironmentEdge	Has some basic interaction with the environment.
org.apache.hadoop.hbase.util.EnvironmentEdgeManager	Manages a singleton instance of the environment edge.
org.apache.hadoop.hbase.hbtop.terminal.impl.EscapeSequences	Utility class for escape sequences.
org.apache.hadoop.hbase.quotas.ExceedOperationQuota
org.apache.hadoop.hbase.metrics.ExceptionTrackingSource	Common interface for metrics source implementations which need to track individual exception types thrown or received.
org.apache.hadoop.hbase.metrics.ExceptionTrackingSourceImpl	Common base implementation for metrics sources which need to track exceptions thrown or received.
org.apache.hadoop.hbase.util.ExceptionUtil	This class handles the different interruption classes.
org.apache.hadoop.hbase.io.asyncfs.monitor.ExcludeDatanodeManager	The class to manage the excluded datanodes of the WALs on the regionserver.
org.apache.hadoop.hbase.io.hfile.ExclusiveMemHFileBlock	The ByteBuffAllocator won't allocate pooled heap ByteBuff now; at the same time, if allocate an off-heap ByteBuff from allocator, then it must be a pooled one.
org.apache.hadoop.hbase.rest.ExistsResource
org.apache.hadoop.hbase.mob.ExpiredMobFileCleaner	The cleaner to delete the expired MOB files.
org.apache.hadoop.hbase.regionserver.querymatcher.ExplicitColumnTracker	This class is used for the tracking and enforcement of columns and numbers of versions during the course of a Get or Scan operation, when explicit column qualifiers have been asked for in the query.
org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy	Simple exponential backoff policy on for the client that uses a percent^4 times the max backoff to generate the backoff time.
org.apache.hadoop.hbase.util.ExponentialMovingAverage<T>	EMA is similar to WeightedMovingAverage in weighted, but the weighting factor decrease exponentially.
org.apache.hadoop.hbase.mapreduce.Export	Export an HBase table.
org.apache.hadoop.hbase.client.example.ExportEndpointExample	A simple example on how to use Export.
org.apache.hadoop.hbase.snapshot.ExportSnapshot	Export the specified snapshot to a given FileSystem.
org.apache.hadoop.hbase.snapshot.ExportSnapshot.Counter
org.apache.hadoop.hbase.snapshot.ExportSnapshotException	Thrown when a snapshot could not be exported due to an error during the operation.
org.apache.hadoop.hbase.mapreduce.ExportUtils	Some helper methods are used by Export and org.apache.hadoop.hbase.coprocessor.Export (in hbase-endpooint).
org.apache.hadoop.hbase.ExtendedCell	Extension to Cell with server side required functions.
org.apache.hadoop.hbase.ExtendedCellBuilder	For internal purpose.
org.apache.hadoop.hbase.ExtendedCellBuilderFactory
org.apache.hadoop.hbase.ExtendedCellBuilderImpl
org.apache.hadoop.hbase.mapreduce.ExtendedCellSerialization	Similar to CellSerialization, but includes the sequenceId from an ExtendedCell.
org.apache.hadoop.hbase.mapreduce.ExtendedCellSerialization.ExtendedCellDeserializer
org.apache.hadoop.hbase.mapreduce.ExtendedCellSerialization.ExtendedCellSerializer
org.apache.hadoop.hbase.backup.FailedArchiveException	Exception indicating that some files in the requested set could not be archived.
org.apache.hadoop.hbase.FailedCloseWALAfterInitializedErrorException	Throw when failed cleanup unsuccessful initialized wal
org.apache.hadoop.hbase.regionserver.wal.FailedLogCloseException	Thrown when we fail close of the write-ahead-log file.
org.apache.hadoop.hbase.exceptions.FailedSanityCheckException	Exception thrown if a mutation fails sanity checks.
org.apache.hadoop.hbase.ipc.FailedServerException	Indicates that we're trying to connect to a already known as dead server.
org.apache.hadoop.hbase.ipc.FailedServers	A class to manage a list of servers that failed recently.
org.apache.hadoop.hbase.regionserver.wal.FailedSyncBeforeLogCloseException	Thrown when we fail close of the write-ahead-log file.
org.apache.hadoop.hbase.ipc.FallbackDisallowedException	Indicate that the rpc server tells client to fallback to simple auth but client is disabled to do so.
org.apache.hadoop.hbase.filter.FamilyFilter	This filter is used to filter based on the column family.
org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutput	An asynchronous HDFS output stream implementation which fans out data to datanode and only supports writing file with only one block.
org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper	Helper class for implementing FanOutOneBlockAsyncDFSOutput.
org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.NameNodeException	Exception other than RemoteException thrown when calling create on namenode
org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputSaslHelper	Helper class for adding sasl support for FanOutOneBlockAsyncDFSOutput.
org.apache.hadoop.hbase.io.encoding.FastDiffDeltaEncoder	Encoder similar to DiffKeyDeltaEncoder but supposedly faster.
org.apache.hadoop.hbase.io.encoding.FastDiffDeltaEncoder.FastDiffSeekerState
org.apache.hadoop.hbase.ipc.FastPathBalancedQueueRpcExecutor	Balanced queue executor with a fastpath.
org.apache.hadoop.hbase.ipc.FastPathRpcHandler
org.apache.hadoop.hbase.ipc.FastPathRWQueueRpcExecutor	RPC Executor that extends RWQueueRpcExecutor with fast-path feature, used in FastPathBalancedQueueRpcExecutor.
org.apache.hadoop.hbase.ipc.FatalConnectionException	Thrown when server finds fatal issue w/ connection setup: e.g.
org.apache.hadoop.hbase.favored.FavoredNodeAssignmentHelper	Helper class for FavoredNodeLoadBalancer that has all the intelligence for racks, meta scans, etc.
org.apache.hadoop.hbase.favored.FavoredNodeLoadBalancer	An implementation of the LoadBalancer that assigns favored nodes for each region.
org.apache.hadoop.hbase.regionserver.FavoredNodesForRegion	Abstraction that allows different modules in RegionServer to update/get the favored nodes information for regions.
org.apache.hadoop.hbase.favored.FavoredNodesManager	FavoredNodesManager is responsible for maintaining favored nodes info in internal cache and META table.
org.apache.hadoop.hbase.favored.FavoredNodesPlan	This class contains the mapping information between each region name and its favored region server list.
org.apache.hadoop.hbase.favored.FavoredNodesPlan.Position
org.apache.hadoop.hbase.favored.FavoredNodesPromoter
org.apache.hadoop.hbase.hbtop.field.Field	Represents fields that are displayed in the top screen.
org.apache.hadoop.hbase.hbtop.field.FieldInfo	Information about a field.
org.apache.hadoop.hbase.hbtop.screen.field.FieldScreenPresenter	The presentation logic for the field screen.
org.apache.hadoop.hbase.hbtop.screen.field.FieldScreenPresenter.ResultListener
org.apache.hadoop.hbase.hbtop.screen.field.FieldScreenView	The screen where we can change the displayed fields, the sort key and the order of the fields.
org.apache.hadoop.hbase.hbtop.field.FieldValue	Represents a value of a field.
org.apache.hadoop.hbase.hbtop.field.FieldValueType	Represents the type of a FieldValue.
org.apache.hadoop.hbase.ipc.FifoRpcScheduler	A very simple RpcScheduler} that serves incoming requests in order.
org.apache.hadoop.hbase.regionserver.FifoRpcSchedulerFactory	Factory to use when you want to use the FifoRpcScheduler
org.apache.hadoop.hbase.quotas.FileArchiverNotifier	Interface allowing various implementations of tracking files that have recently been archived to allow for the Master to notice changes to snapshot sizes for space quotas.
org.apache.hadoop.hbase.quotas.FileArchiverNotifierFactory	Factory class to create FileArchiverNotifier instances.
org.apache.hadoop.hbase.quotas.FileArchiverNotifierFactoryImpl	A factory for getting instances of FileArchiverNotifier.
org.apache.hadoop.hbase.quotas.FileArchiverNotifierImpl	Tracks file archiving and updates the hbase quota table.
org.apache.hadoop.hbase.quotas.FileArchiverNotifierImpl.QuotaSnapshotSizeSerializationException	An Exception thrown when SnapshotSize updates to hbase:quota fail to be written.
org.apache.hadoop.hbase.io.FileChangeWatcher	Instances of this class can be used to watch a directory for file changes.
org.apache.hadoop.hbase.io.FileChangeWatcher.State
org.apache.hadoop.hbase.io.FileLink	The FileLink is a sort of hardlink, that allows access to a file given a set of locations.
org.apache.hadoop.hbase.io.FileLink.FileLinkInputStream	FileLink InputStream that handles the switch between the original path and the alternative locations, when the file is moved.
org.apache.hadoop.hbase.util.FileStatusFilter
org.apache.hadoop.hbase.quotas.FileSystemUtilizationChore	A chore which computes the size of each HRegion on the FileSystem hosted by the given HRegionServer.
org.apache.hadoop.hbase.util.FileSystemVersionException	Thrown when the file system needs to be upgraded
org.apache.hadoop.hbase.filter.Filter	Interface for row and column filters directly applied within the regionserver.
org.apache.hadoop.hbase.filter.Filter.ReturnCode	Return codes for filterValue().
org.apache.hadoop.hbase.filter.FilterBase	Abstract base class to help you implement new Filters.
org.apache.hadoop.hbase.http.FilterContainer	A container interface to add javax.servlet.Filter.
org.apache.hadoop.hbase.hbtop.screen.top.FilterDisplayModeScreenPresenter	The presentation logic for the filter display mode.
org.apache.hadoop.hbase.hbtop.screen.top.FilterDisplayModeScreenView	The filter display mode in the top screen.
org.apache.hadoop.hbase.http.FilterInitializer	Initialize a javax.servlet.Filter.
org.apache.hadoop.hbase.filter.FilterList	Implementation of Filter that represents an ordered List of Filters which will be evaluated with a specified boolean operator FilterList.Operator.MUST_PASS_ALL (AND) or FilterList.Operator.MUST_PASS_ONE (OR).
org.apache.hadoop.hbase.filter.FilterList.Operator	set operator
org.apache.hadoop.hbase.filter.FilterListBase	Base class for FilterList.
org.apache.hadoop.hbase.filter.FilterListWithAND	FilterListWithAND represents an ordered list of filters which will be evaluated with an AND operator.
org.apache.hadoop.hbase.filter.FilterListWithOR	FilterListWithOR represents an ordered list of filters which will be evaluated with an OR operator.
org.apache.hadoop.hbase.filter.FilterWrapper	This is a Filter wrapper class which is used in the server side.
org.apache.hadoop.hbase.filter.FilterWrapper.FilterRowRetCode
org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter	A filter that will only return the first KV from each row.
org.apache.hadoop.hbase.filter.FirstKeyValueMatchingQualifiersFilter	Deprecated. Deprecated in 2.0.0 and will be removed in 3.0.0.
org.apache.hadoop.hbase.io.hfile.FirstLevelBlockCache	In-memory BlockCache that may be backed by secondary layer(s).
org.apache.hadoop.hbase.io.hfile.FixedFileTrailer	The HFile has a fixed trailer which contains offsets to other variable parts of the file.
org.apache.hadoop.hbase.quotas.FixedIntervalRateLimiter	With this limiter resources will be refilled only after a fixed interval of time.
org.apache.hadoop.hbase.types.FixedLengthWrapper<T>	Wraps an existing DataType implementation as a fixed-length version of itself.
org.apache.hadoop.hbase.regionserver.FlushAllLargeStoresPolicy	A FlushPolicy that only flushes store larger a given threshold.
org.apache.hadoop.hbase.regionserver.FlushAllStoresPolicy	A FlushPolicy that always flushes all stores for a given region.
org.apache.hadoop.hbase.regionserver.FlushLargeStoresPolicy	A FlushPolicy that only flushes store larger a given threshold.
org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker	Used to track flush execution.
org.apache.hadoop.hbase.regionserver.FlushNonSloppyStoresFirstPolicy	A FlushPolicy that only flushes store larger than a given threshold.
org.apache.hadoop.hbase.regionserver.FlushPolicy	A flush policy determines the stores that need to be flushed when flushing a region.
org.apache.hadoop.hbase.regionserver.FlushPolicyFactory	The class that creates a flush policy from a conf and HTableDescriptor.
org.apache.hadoop.hbase.client.FlushRegionCallable	A Callable for flushRegion() RPC.
org.apache.hadoop.hbase.regionserver.FlushRegionCallable
org.apache.hadoop.hbase.regionserver.FlushRequester	Request a flush.
org.apache.hadoop.hbase.regionserver.FlushRequestListener	Listener which will get notified regarding flush requests of regions.
org.apache.hadoop.hbase.regionserver.throttle.FlushThroughputControllerFactory
org.apache.hadoop.hbase.errorhandling.ForeignException	A ForeignException is an exception from another thread or process.
org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher	The dispatcher acts as the state holding entity for foreign error handling.
org.apache.hadoop.hbase.errorhandling.ForeignExceptionListener	The ForeignExceptionListener is an interface for objects that can receive a ForeignException.
org.apache.hadoop.hbase.errorhandling.ForeignExceptionSnare	This is an interface for a cooperative exception throwing mechanism.
org.apache.hadoop.hbase.io.FSDataInputStreamWrapper	Wrapper for input stream(s) that takes care of the interaction of FS and HBase checksums, as well as closing streams.
org.apache.hadoop.hbase.regionserver.wal.FSHLog	The original implementation of FSWAL.
org.apache.hadoop.hbase.wal.FSHLogProvider	A WAL provider that use FSHLog.
org.apache.hadoop.hbase.wal.FSHLogProvider.Writer
org.apache.hadoop.hbase.replication.FSReplicationPeerStorage	A filesystem based replication peer storage.
org.apache.hadoop.hbase.util.FSTableDescriptors	Implementation of TableDescriptors that reads descriptors from the passed filesystem.
org.apache.hadoop.hbase.util.FSUtils	Utility methods for interacting with the underlying file system.
org.apache.hadoop.hbase.util.FSUtils.BlackListDirFilter	Directory filter that doesn't include any of the directories in the specified blacklist
org.apache.hadoop.hbase.util.FSUtils.DirFilter	A PathFilter that only allows directories.
org.apache.hadoop.hbase.util.FSUtils.FamilyDirFilter	Filter for all dirs that are legal column family names.
org.apache.hadoop.hbase.util.FSUtils.HFileFilter	Filter for HFiles that excludes reference files.
org.apache.hadoop.hbase.util.FSUtils.HFileLinkFilter	Filter for HFileLinks (StoreFiles and HFiles not included).
org.apache.hadoop.hbase.util.FSUtils.ReferenceAndLinkFileFilter
org.apache.hadoop.hbase.util.FSUtils.ReferenceFileFilter
org.apache.hadoop.hbase.util.FSUtils.RegionDirFilter	Filter for all dirs that don't start with '.'
org.apache.hadoop.hbase.util.FSUtils.UserTableDirFilter	A PathFilter that returns usertable directories.
org.apache.hadoop.hbase.util.FSVisitor	Utility methods for interacting with the hbase.root file system.
org.apache.hadoop.hbase.util.FSVisitor.StoreFileVisitor
org.apache.hadoop.hbase.util.FutureUtils	Helper class for processing futures.
org.apache.hadoop.hbase.filter.FuzzyRowFilter	This is optimized version of a standard FuzzyRowFilter Filters data based on fuzzy row key.
org.apache.hadoop.hbase.metrics.Gauge<T>	A metrics which measures a discrete value.
org.apache.hadoop.hbase.client.Get	Used to perform Get operations on a single row.
org.apache.hadoop.hbase.util.GetJavaProperty	A generic way for querying Java properties.
org.apache.hadoop.hbase.quotas.GlobalQuotaSettings	An object which captures all quotas types (throttle or space) for a subject (user, table, or namespace).
org.apache.hadoop.hbase.quotas.GlobalQuotaSettingsImpl	Implementation of GlobalQuotaSettings to hide the Protobuf messages we use internally.
org.apache.hadoop.hbase.mapred.GroupingTableMap	Extract grouping columns from input record
org.apache.hadoop.hbase.mapreduce.GroupingTableMapper	Extract grouping columns from input record.
org.apache.hadoop.hbase.http.gson.GsonMessageBodyWriter<T>	Implements JSON serialization via Gson for JAX-RS.
org.apache.hadoop.hbase.util.GsonUtil	Helper class for gson.
org.apache.hadoop.hbase.io.HalfStoreFileReader	A facade for a HFile.Reader that serves up either the top or bottom half of a HFile where 'bottom' is the first half of the file containing the keys that sort lowest and 'top' is the second half of the file with keys that sort greater than those of the bottom half.
org.apache.hadoop.hbase.util.Hash	This class represents a common API for hashing functions.
org.apache.hadoop.hbase.util.HashedBytes	This class encapsulates a byte array and overrides hashCode and equals so that it's identity is based on the data rather than the array instance.
org.apache.hadoop.hbase.util.HashKey<T>	Used to calculate the hash Hash algorithms for Bloomfilters.
org.apache.hadoop.hbase.mapreduce.HashTable
org.apache.hadoop.hbase.mapreduce.HashTable.HashMapper
org.apache.hadoop.hbase.mapreduce.HashTable.TableHash
org.apache.hadoop.hbase.coprocessor.HasMasterServices	Deprecated. Since 2.0.0 to be removed in 3.0.0.
org.apache.hadoop.hbase.coprocessor.HasRegionServerServices	Deprecated. Since 2.0.0 to be removed in 3.0.0.
org.apache.hadoop.hbase.backup.HBackupFileSystem	View to an on-disk Backup Image FileSytem Provides the set of methods necessary to interact with the on-disk Backup Image data.
org.apache.hadoop.hbase.client.HBaseAdmin	HBaseAdmin is no longer a client API.
org.apache.hadoop.hbase.client.HBaseAdmin.NamespaceFuture
org.apache.hadoop.hbase.client.HBaseAdmin.ProcedureFuture<V>	Future that waits on a procedure result.
org.apache.hadoop.hbase.client.HBaseAdmin.ProcedureFuture.WaitForStateCallable
org.apache.hadoop.hbase.client.HBaseAdmin.TableFuture<V>
org.apache.hadoop.hbase.HBaseConfiguration	Adds HBase configuration files to a Configuration
org.apache.hadoop.hbase.util.HBaseConfTool	Tool that prints out a configuration.
org.apache.hadoop.hbase.exceptions.HBaseException	Base checked exception in HBase.
org.apache.hadoop.hbase.util.HBaseFsck	Deprecated. For removal in hbase-4.0.0.
org.apache.hadoop.hbase.util.HBaseFsckRepair	This class contains helper methods that repair parts of hbase's filesystem contents.
org.apache.hadoop.hbase.thrift.HbaseHandlerMetricsProxy	Converts a Hbase.Iface using InvocationHandler so that it reports process time of each call to ThriftMetrics.
org.apache.hadoop.hbase.client.HBaseHbck	Use Connection.getHbck() to obtain an instance of Hbck instead of constructing an HBaseHbck directly.
org.apache.hadoop.hbase.HBaseInterfaceAudience	This class defines constants for different classes of hbase limited private apis
org.apache.hadoop.hbase.HBaseIOException	All hbase specific IOExceptions should be subclasses of HBaseIOException
org.apache.hadoop.hbase.log.HBaseMarkers
org.apache.hadoop.hbase.security.HBasePolicyProvider	Implementation of secure Hadoop policy provider for mapping protocol interfaces to hbase-policy.xml entries.
org.apache.hadoop.hbase.nio.HBaseReferenceCounted	The HBaseReferenceCounted disabled several methods in Netty's ReferenceCounted, because those methods are unlikely to be used.
org.apache.hadoop.hbase.replication.HBaseReplicationEndpoint	A BaseReplicationEndpoint for replication endpoints whose target cluster is an HBase cluster.
org.apache.hadoop.hbase.replication.HBaseReplicationEndpoint.PeerRegionServerListener	Tracks changes to the list of region servers in a peer's cluster.
org.apache.hadoop.hbase.ipc.HBaseRpcController	Optionally carries Cells across the proxy/service interface down into ipc.
org.apache.hadoop.hbase.ipc.HBaseRpcController.CancellationCallback
org.apache.hadoop.hbase.ipc.HBaseRpcControllerImpl	Get instances via RpcControllerFactory on client-side.
org.apache.hadoop.hbase.ipc.HBaseRPCErrorHandler	An interface for calling out of RPC for error conditions.
org.apache.hadoop.hbase.security.HBaseSaslRpcClient	A utility class that encapsulates SASL logic for RPC client.
org.apache.hadoop.hbase.security.HBaseSaslRpcServer	A utility class that encapsulates SASL logic for RPC server.
org.apache.hadoop.hbase.HBaseServerException	Base class for exceptions thrown by an HBase server.
org.apache.hadoop.hbase.client.backoff.HBaseServerExceptionPauseManager
org.apache.hadoop.hbase.thrift.HBaseServiceHandler	abstract class for HBase handler providing a Connection cache and get table/admin method
org.apache.hadoop.hbase.snapshot.HBaseSnapshotException	General exception base class for when a snapshot fails.
org.apache.hadoop.hbase.io.crypto.tls.HBaseTrustManager	A custom TrustManager that supports hostname verification We attempt to perform verification using just the IP address first and if that fails will attempt to perform a reverse DNS lookup and verify using the hostname.
org.apache.hadoop.hbase.client.Hbck	Hbck fixup tool APIs.
org.apache.hadoop.hbase.HbckEmptyRegionInfo	POJO to present Empty Region Info from Catalog Janitor Inconsistencies Report via REST API.
org.apache.hadoop.hbase.util.HbckErrorReporter	Deprecated. Since 2.3.0.
org.apache.hadoop.hbase.util.HbckErrorReporter.ERROR_CODE
org.apache.hadoop.hbase.HbckInconsistentRegions	POJO to present HBCK Inconsistent Regions from HBCK Inconsistencies Report via REST API.
org.apache.hadoop.hbase.HbckOrphanRegionsOnFS	POJO to present Orphan Region on FS from HBCK Inconsistencies Report via REST API.
org.apache.hadoop.hbase.HbckOrphanRegionsOnRS	POJO to present Orphan Region on RS from HBCK Inconsistencies Report via REST API.
org.apache.hadoop.hbase.HbckOverlapRegions	POJO to present Region Overlap from Catalog Janitor Inconsistencies Report via REST API.
org.apache.hadoop.hbase.HbckRegionDetails	POJO class for HBCK RegionInfo in HBCK Inconsistencies report.
org.apache.hadoop.hbase.HbckRegionHoles	POJO to present Region Holes from Catalog Janitor Inconsistencies Report via REST API.
org.apache.hadoop.hbase.util.HbckRegionInfo	Maintain information about a particular region.
org.apache.hadoop.hbase.util.HbckRegionInfo.HdfsEntry	Stores the regioninfo entries from HDFS
org.apache.hadoop.hbase.util.HbckRegionInfo.MetaEntry	Stores the regioninfo entries scanned from META
org.apache.hadoop.hbase.HbckServerName	POJO class for ServerName in HBCK Inconsistencies report.
org.apache.hadoop.hbase.util.HbckTableInfo	Maintain information about a particular table.
org.apache.hadoop.hbase.HbckUnknownServers	POJO to present Unknown Regions from Catalog Janitor Inconsistencies Report via REST API.
org.apache.hadoop.hbase.hbtop.HBTop	A real-time monitoring tool for HBase like Unix top command.
org.apache.hadoop.hbase.HColumnDescriptor	Deprecated.
org.apache.hadoop.hbase.HConstants	HConstants holds a bunch of HBase-related constants
org.apache.hadoop.hbase.HConstants.OperationStatusCode	Status codes used for return values of bulk operations.
org.apache.hadoop.hbase.HDFSBlocksDistribution	Data structure to describe the distribution of HDFS blocks among hosts.
org.apache.hadoop.hbase.HDFSBlocksDistribution.HostAndWeight	Stores the hostname and weight for that hostname.
org.apache.hadoop.hbase.HDFSBlocksDistribution.HostAndWeight.WeightComparator	Comparator used to sort hosts based on weight
org.apache.hadoop.hbase.HDFSBlocksDistribution.Visitor	Implementations 'visit' hostAndWeight.
org.apache.hadoop.hbase.hbtop.screen.top.Header	Represents headers for the metrics in the top screen.
org.apache.hadoop.hbase.HealthCheckChore	The Class HealthCheckChore for running health checker regularly.
org.apache.hadoop.hbase.ipc.HeapByteBufAllocator	A pooled ByteBufAllocator that does not prefer direct buffers regardless of platform settings.
org.apache.hadoop.hbase.regionserver.HeapMemoryManager	Manages tuning of Heap memory using HeapMemoryTuner.
org.apache.hadoop.hbase.regionserver.HeapMemoryManager.HeapMemoryTuneObserver	Every class that wants to observe heap memory tune actions must implement this interface.
org.apache.hadoop.hbase.regionserver.HeapMemoryManager.TunerContext	POJO to pass all the relevant information required to do the heap memory tuning.
org.apache.hadoop.hbase.regionserver.HeapMemoryManager.TunerResult	POJO which holds the result of memory tuning done by HeapMemoryTuner implementation.
org.apache.hadoop.hbase.regionserver.HeapMemoryTuner	Makes the decision regarding proper sizing of the heap memory.
org.apache.hadoop.hbase.io.HeapSize	Implementations can be asked for an estimate of their size in bytes.
org.apache.hbase.archetypes.exemplars.client.HelloHBase	Successful running of this application requires access to an active instance of HBase.
org.apache.hbase.archetypes.exemplars.shaded_client.HelloHBase	Successful running of this application requires access to an active instance of HBase.
org.apache.hadoop.hbase.hbtop.screen.help.HelpScreenPresenter	The presentation logic for the help screen.
org.apache.hadoop.hbase.hbtop.screen.help.HelpScreenView	The help screen.
org.apache.hadoop.hbase.io.hfile.HFile	File format for hbase.
org.apache.hadoop.hbase.io.hfile.HFile.CachingBlockReader	An abstraction used by the block index.
org.apache.hadoop.hbase.io.hfile.HFile.Reader	An interface used by clients to open and iterate an HFile.
org.apache.hadoop.hbase.io.hfile.HFile.Writer	API required to write an HFile
org.apache.hadoop.hbase.io.hfile.HFile.WriterFactory	This variety of ways to construct writers is used throughout the code, and we want to be able to swap writer implementations.
org.apache.hadoop.hbase.backup.HFileArchiver	Utility class to handle the removal of HFiles (or the respective StoreFiles) for a HRegion from the FileSystem.
org.apache.hadoop.hbase.util.HFileArchiveUtil	Helper class for all utilities related to archival/retrieval of HFiles
org.apache.hadoop.hbase.io.hfile.HFileBlock	Cacheable Blocks of an HFile version 2 file.
org.apache.hadoop.hbase.io.hfile.HFileBlock.BlockDeserializer
org.apache.hadoop.hbase.io.hfile.HFileBlockBuilder
org.apache.hadoop.hbase.io.encoding.HFileBlockDecodingContext	A decoding context that is created by a reader's encoder, and is shared across all of the reader's read operations.
org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultDecodingContext	A default implementation of HFileBlockDecodingContext.
org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultEncodingContext	A default implementation of HFileBlockEncodingContext.
org.apache.hadoop.hbase.io.encoding.HFileBlockEncodingContext	An encoding context that is created by a writer's encoder, and is shared across the writer's whole lifetime.
org.apache.hadoop.hbase.io.hfile.HFileBlockIndex	Provides functionality to write (HFileBlockIndex.BlockIndexWriter) and read BlockIndexReader single-level and multi-level block indexes.
org.apache.hadoop.hbase.io.hfile.HFileBlockIndex.BlockIndexWriter	Writes the block index into the output stream.
org.apache.hadoop.hbase.io.hfile.HFileContext	Read-only HFile Context Information.
org.apache.hadoop.hbase.io.hfile.HFileContextBuilder	A builder that helps in building up the HFileContext
org.apache.hadoop.hbase.util.hbck.HFileCorruptionChecker	This class marches through all of the region's hfiles and verifies that they are all valid files.
org.apache.hadoop.hbase.io.hfile.HFileDataBlockEncoder	Controls what kind of data block encoding is used.
org.apache.hadoop.hbase.io.hfile.HFileDataBlockEncoderImpl	Do different kinds of data block encoding according to column family options.
org.apache.hadoop.hbase.io.hfile.HFileIndexBlockEncoder	Controls what kind of index block encoding is used.
org.apache.hadoop.hbase.io.hfile.HFileIndexBlockEncoder.EncodedSeeker
org.apache.hadoop.hbase.io.hfile.HFileIndexBlockEncoderImpl	Do different kinds of index block encoding according to column family options.
org.apache.hadoop.hbase.io.hfile.HFileInfo	Metadata Map of attributes for HFile written out as HFile Trailer.
org.apache.hadoop.hbase.mapreduce.HFileInputFormat	Simple MR input format for HFiles.
org.apache.hadoop.hbase.io.HFileLink	HFileLink describes a link to an hfile.
org.apache.hadoop.hbase.mapreduce.HFileOutputFormat2	Writes HFiles.
org.apache.hadoop.hbase.io.hfile.HFilePreadReader	Implementation of HFile.Reader to deal with pread.
org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter	Implements pretty-printing functionality for HFiles.
org.apache.hadoop.hbase.io.hfile.HFileReaderImpl	Implementation that can handle all hfile versions of HFile.Reader.
org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.BlockIndexNotLoadedException
org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.EncodedScanner	Scanner that operates on encoded data blocks.
org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.HFileScannerImpl
org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.NotSeekedException	An exception thrown when an operation requiring a scanner to be seeked is invoked on a scanner that is not seeked.
org.apache.hadoop.hbase.io.hfile.HFileScanner	A scanner allows you to position yourself within a HFile and scan through it.
org.apache.hadoop.hbase.io.hfile.HFileStreamReader	Implementation of HFile.Reader to deal with stream read do not perform any prefetch operations (HFilePreadReader will do this).
org.apache.hadoop.hbase.io.hfile.HFileWriterImpl	Common functionality needed by all versions of HFile writers.
org.apache.hadoop.hbase.metrics.Histogram	A metric which measures the distribution of values.
org.apache.hadoop.hbase.master.HMaster	HMaster is the "master server" for HBase.
org.apache.hadoop.hbase.master.HMaster.TableDescriptorGetter	Implement to return TableDescriptor after pre-checks
org.apache.hadoop.hbase.master.HMasterCommandLine
org.apache.hadoop.hbase.master.HMasterCommandLine.LocalHMaster
org.apache.hadoop.hbase.regionserver.HMobStore	The store implementation to save MOBs (medium objects), it extends the HStore.
org.apache.hadoop.hbase.zookeeper.HQuorumPeer	HBase's version of ZooKeeper's QuorumPeer.
org.apache.hadoop.hbase.regionserver.HRegion	Regions store data for a certain region of a table.
org.apache.hadoop.hbase.regionserver.HRegion.BulkLoadListener	Listener class to enable callers of bulkLoadHFile() to perform any necessary pre/post processing of a given bulkload call
org.apache.hadoop.hbase.regionserver.HRegion.FlushResult
org.apache.hadoop.hbase.regionserver.HRegion.FlushResult.Result
org.apache.hadoop.hbase.regionserver.HRegion.FlushResultImpl	Objects from this class are created when flushing to describe all the different states that that method ends up in.
org.apache.hadoop.hbase.regionserver.HRegion.RowLockImpl	Class used to represent a lock on a row.
org.apache.hadoop.hbase.regionserver.HRegionFileSystem	View to an on-disk Region.
org.apache.hadoop.hbase.HRegionInfo	Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0.
org.apache.hadoop.hbase.HRegionLocation	Data structure to hold RegionInfo and the address for the hosting HRegionServer.
org.apache.hadoop.hbase.client.HRegionLocator	An implementation of RegionLocator.
org.apache.hadoop.hbase.mapred.HRegionPartitioner<K2,V2>	This is used to partition the output keys into groups of keys.
org.apache.hadoop.hbase.mapreduce.HRegionPartitioner<KEY,VALUE>	This is used to partition the output keys into groups of keys.
org.apache.hadoop.hbase.regionserver.HRegionServer	HRegionServer makes a set of HRegions available to clients.
org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine	Class responsible for parsing the command line and starting the RegionServer.
org.apache.hadoop.hbase.regionserver.HRegionWALFileSystem	A Wrapper for the region FileSystem operations adding WAL specific operations
org.apache.hadoop.hbase.regionserver.HStore	A Store holds a column family in a Region.
org.apache.hadoop.hbase.regionserver.HStoreFile	A Store data file.
org.apache.hadoop.hbase.client.HTable	An implementation of Table.
org.apache.hadoop.hbase.HTableDescriptor	Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0.
org.apache.hadoop.hbase.client.HTableMultiplexer	Deprecated. since 2.2.0, will be removed in 3.0.0, without replacement.
org.apache.hadoop.hbase.client.HTableMultiplexer.HTableMultiplexerStatus	Deprecated. since 2.2.0, will be removed in 3.0.0, without replacement.
org.apache.hadoop.hbase.thrift.HThreadedSelectorServerArgs	A TThreadedSelectorServer.Args that reads hadoop configuration
org.apache.hadoop.hbase.http.HtmlQuoting	This class is responsible for quoting HTML characters.
org.apache.hadoop.hbase.thrift.HttpAuthenticationException
org.apache.hadoop.hbase.http.HttpConfig	Statics to get access to Http related configuration.
org.apache.hadoop.hbase.http.HttpConfig.Policy
org.apache.hadoop.hbase.thrift.HttpDoAsClient	See the instructions under hbase-examples/README.txt
org.apache.hadoop.hbase.client.example.HttpProxyExample	A simple example on how to use AsyncTable to write a fully asynchronous HTTP proxy server.
org.apache.hadoop.hbase.http.HttpRequestLog	RequestLog object for use with Http
org.apache.hadoop.hbase.http.HttpServer	Create a Jetty embedded server to answer http requests.
org.apache.hadoop.hbase.http.HttpServer.Builder	Class to construct instances of HTTP server with specific options.
org.apache.hadoop.hbase.http.HttpServer.QuotingInputFilter	A Servlet input filter that quotes all HTML active characters in the parameter names and values.
org.apache.hadoop.hbase.http.HttpServer.QuotingInputFilter.RequestQuoter
org.apache.hadoop.hbase.http.HttpServer.StackServlet	A very simple servlet to serve up a text representation of the current stack traces.
org.apache.hadoop.hbase.http.HttpServerUtil	HttpServer utility.
org.apache.hadoop.hbase.mapred.IdentityTableMap	Pass the given key and record as-is to reduce
org.apache.hadoop.hbase.mapreduce.IdentityTableMapper	Pass the given key and record as-is to the reduce phase.
org.apache.hadoop.hbase.mapred.IdentityTableReduce	Write to table each key, record pair
org.apache.hadoop.hbase.mapreduce.IdentityTableReducer	Convenience class that simply writes all values (which must be Put or Delete instances) passed to it out to the configured HBase table.
org.apache.hadoop.hbase.util.IdLock	Allows multiple concurrent clients to lock on a numeric id with a minimal memory overhead.
org.apache.hadoop.hbase.util.IdLock.Entry	An entry returned to the client as a lock object
org.apache.hadoop.hbase.util.IdReadWriteLock<T>	Allows multiple concurrent clients to lock on a numeric id with ReentrantReadWriteLock.
org.apache.hadoop.hbase.util.IdReadWriteLock.ReferenceType
org.apache.hadoop.hbase.exceptions.IllegalArgumentIOException	Exception thrown when an illegal argument is passed to a function/procedure.
org.apache.hadoop.hbase.util.ImmutableByteArray	Mainly used as keys for HashMap.
org.apache.hadoop.hbase.io.ImmutableBytesWritable	A byte sequence that is usable as a key or value.
org.apache.hadoop.hbase.io.ImmutableBytesWritable.Comparator	A Comparator optimized for ImmutableBytesWritable.
org.apache.hadoop.hbase.client.ImmutableHColumnDescriptor	Deprecated.
org.apache.hadoop.hbase.client.ImmutableHRegionInfo	Deprecated.
org.apache.hadoop.hbase.client.ImmutableHTableDescriptor	Deprecated.
org.apache.hadoop.hbase.regionserver.ImmutableMemStoreLAB	A MemStoreLAB implementation which wraps N MemStoreLABs.
org.apache.hadoop.hbase.client.ImmutableScan	Immutable version of Scan
org.apache.hadoop.hbase.regionserver.ImmutableSegment	ImmutableSegment is an abstract class that extends the API supported by a Segment, and is not needed for a MutableSegment.
org.apache.hadoop.hbase.thrift.ImplType	An enum of server implementation selections
org.apache.hadoop.hbase.mapreduce.Import	Import data written by Export.
org.apache.hadoop.hbase.mapreduce.Import.CellImporter	A mapper that just writes out KeyValues.
org.apache.hadoop.hbase.mapreduce.Import.CellReducer
org.apache.hadoop.hbase.mapreduce.Import.CellSortImporter
org.apache.hadoop.hbase.mapreduce.Import.CellWritableComparable
org.apache.hadoop.hbase.mapreduce.Import.CellWritableComparable.CellWritableComparator
org.apache.hadoop.hbase.mapreduce.Import.CellWritableComparablePartitioner
org.apache.hadoop.hbase.mapreduce.Import.Importer	Write table content out to files in hdfs.
org.apache.hadoop.hbase.mapreduce.Import.KeyValueImporter	Deprecated. Use Import.CellImporter.
org.apache.hadoop.hbase.mapreduce.Import.KeyValueReducer	Deprecated. Use Import.CellReducer.
org.apache.hadoop.hbase.mapreduce.Import.KeyValueSortImporter	Deprecated. Use Import.CellSortImporter.
org.apache.hadoop.hbase.mapreduce.Import.KeyValueWritableComparable
org.apache.hadoop.hbase.mapreduce.Import.KeyValueWritableComparable.KeyValueWritableComparator
org.apache.hadoop.hbase.mapreduce.Import.KeyValueWritableComparablePartitioner	Deprecated. Use Import.CellWritableComparablePartitioner.
org.apache.hadoop.hbase.mapreduce.ImportTsv	Tool to import data from a TSV file.
org.apache.hadoop.hbase.mapreduce.ImportTsv.TsvParser
org.apache.hadoop.hbase.mapreduce.ImportTsv.TsvParser.BadTsvLineException
org.apache.hadoop.hbase.regionserver.querymatcher.IncludeAllCompactionQueryMatcher	A compaction query matcher that always return INCLUDE and drops nothing.
org.apache.hadoop.hbase.io.hfile.InclusiveCombinedBlockCache
org.apache.hadoop.hbase.filter.InclusiveStopFilter	A Filter that stops after the given row.
org.apache.hadoop.hbase.filter.IncompatibleFilterException	Used to indicate a filter incompatibility
org.apache.hadoop.hbase.regionserver.IncreasingToUpperBoundRegionSplitPolicy	Split size is the number of regions that are on this server that all are of the same table, cubed, times 2x the region flush size OR the maximum region split size, whichever is smaller.
org.apache.hadoop.hbase.client.Increment	Used to perform Increment operations on a single row.
org.apache.hadoop.hbase.thrift.IncrementCoalescer	This class will coalesce increments from a thift server if hbase.regionserver.thrift.coalesceIncrement is set to true.
org.apache.hadoop.hbase.thrift.IncrementCoalescerMBean
org.apache.hadoop.hbase.util.IncrementingEnvironmentEdge	Uses an incrementing algorithm instead of the default.
org.apache.hadoop.hbase.io.encoding.IndexBlockEncoding	Provide access to all index block encoding algorithms.
org.apache.hadoop.hbase.mapreduce.IndexBuilder	Example map/reduce job to construct index tables that can be used to quickly find a row based on the value of a column.
org.apache.hadoop.hbase.mapreduce.IndexBuilder.Map	Internal Mapper to be run by Hadoop.
org.apache.hadoop.hbase.io.hfile.IndexOnlyLruBlockCache	An on heap block cache implementation extended LruBlockCache and only cache index block.
org.apache.hadoop.hbase.IndividualBytesFieldCell
org.apache.hadoop.hbase.http.InfoServer	Create a Jetty embedded server to answer http requests.
org.apache.hadoop.hbase.regionserver.storefiletracker.InitializeStoreFileTrackerProcedure	Procedure for setting StoreFileTracker information to table descriptor.
org.apache.hadoop.hbase.io.hfile.InlineBlockWriter	A way to write "inline" blocks into an HFile.
org.apache.hadoop.hbase.InnerStoreCellComparator	Compare two HBase cells inner store, skip compare family for better performance.
org.apache.hadoop.hbase.hbtop.screen.top.InputModeScreenPresenter	The presentation logic for the input mode.
org.apache.hadoop.hbase.hbtop.screen.top.InputModeScreenView	The input mode in the top screen.
org.apache.hadoop.hbase.regionserver.InputStreamBlockDistribution	Computes the HDFSBlockDistribution for a file based on the underlying located blocks for an HdfsDataInputStream reading that file.
org.apache.hadoop.hbase.regionserver.InternalScan	Special scanner, currently used for increment operations to allow additional server-side arguments for Scan operations.
org.apache.hadoop.hbase.regionserver.InternalScanner	Internal scanners differ from client-side scanners in that they operate on HStoreKeys and byte[] instead of RowResults.
org.apache.hadoop.hbase.metrics.Interns	Helpers to create interned metrics info
org.apache.hadoop.hbase.InvalidFamilyOperationException	Thrown if a request is table schema modification is requested but made for an invalid family name.
org.apache.hadoop.hbase.io.hfile.InvalidHFileException	Thrown when an invalid HFile format is detected
org.apache.hadoop.hbase.filter.InvalidRowFilterException	Used to indicate an invalid RowFilter.
org.apache.hadoop.hbase.util.IOExceptionSupplier<V>	A supplier that throws IOException when get.
org.apache.hadoop.hbase.client.trace.IpcClientSpanBuilder	Construct Span instances originating from the client side of an IPC.
org.apache.hadoop.hbase.server.trace.IpcServerSpanBuilder	Construct Span instances originating from the server side of an IPC.
org.apache.hadoop.hbase.client.IsolationLevel	Specify Isolation levels in Scan operations.
org.apache.hadoop.hbase.mapreduce.JarFinder	Finds the Jar for a class.
org.apache.hadoop.hbase.util.JenkinsHash	Produces 32-bit hash for hash table lookup.
org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl	ScheduledThreadPoolExecutor that will add some jitter to the RunnableScheduledFuture.getDelay.
org.apache.hadoop.hbase.http.jmx.JMXJsonServlet	Provides Read only web access to JMX.
org.apache.hadoop.hbase.JMXListener	Pluggable JMX Agent for HBase(to fix the 2 random TCP ports issue of the out-of-the-box JMX Agent): 1)connector port can share with the registry port if SSL is OFF 2)support password authentication 3)support subset of SSL (with default configuration)
org.apache.hadoop.hbase.mapreduce.JobUtil	Utility methods to interact with a job.
org.apache.hadoop.hbase.util.JRubyFormat	Utility class for converting objects to JRuby.
org.apache.hadoop.hbase.util.JSONBean	Utility for doing JSON and MBeans.
org.apache.hadoop.hbase.util.JSONBean.Writer	Use dumping out mbeans as JSON.
org.apache.hadoop.hbase.util.JsonMapper	Utility class for converting objects to JSON
org.apache.hadoop.hbase.util.JSONMetricUtil
org.apache.hadoop.hbase.logging.JulToSlf4jInitializer	Setup SLF4JBridgeHandler.
org.apache.hadoop.hbase.util.JVM	This class is a wrapper for the implementation of com.sun.management.UnixOperatingSystemMXBean It will decide to use the sun api or its own implementation depending on the runtime (vendor) used.
org.apache.hadoop.hbase.util.JVMClusterUtil	Utility used running a cluster all in the one JVM.
org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread	Datastructure to hold Master Thread and Master instance
org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread	Datastructure to hold RegionServer Thread and RegionServer instance
org.apache.hadoop.hbase.util.JvmPauseMonitor	Class which sets up a simple thread which runs in a loop sleeping for a short interval of time.
org.apache.hadoop.hbase.metrics.JvmPauseMonitorSource	Interface for sources that will export JvmPauseMonitor metrics
org.apache.hadoop.hbase.util.JvmVersion	Utility class to get and check the current JVM version.
org.apache.hadoop.hbase.KeepDeletedCells	Ways to keep cells marked for delete around.
org.apache.hadoop.hbase.util.KeyLocker<K>	A utility class to manage a set of locks.
org.apache.hadoop.hbase.exceptions.KeyManagerException
org.apache.hadoop.hbase.filter.KeyOnlyFilter	A filter that will only return the key component of each KV (the value will be rewritten as empty).
org.apache.hadoop.hbase.regionserver.KeyPrefixRegionSplitPolicy	Deprecated. since 2.5.0 and will be removed in 4.0.0.
org.apache.hadoop.hbase.regionserver.KeyPrefixRegionSplitRestriction	A RegionSplitRestriction implementation that groups rows by a prefix of the row-key.
org.apache.hadoop.hbase.hbtop.terminal.KeyPress	Represents the user pressing a key on the keyboard.
org.apache.hadoop.hbase.hbtop.terminal.KeyPress.Type
org.apache.hadoop.hbase.hbtop.terminal.impl.KeyPressGenerator	This generates KeyPress objects from the given input stream and offers them to the given queue.
org.apache.hadoop.hbase.io.crypto.KeyProvider	KeyProvider is a interface to abstract the different methods of retrieving key material from key storage such as Java key store.
org.apache.hadoop.hbase.util.KeyRange	A key range use in split coverage.
org.apache.hadoop.hbase.io.crypto.tls.KeyStoreFileType	This enum represents the file type of a KeyStore or TrustStore.
org.apache.hadoop.hbase.io.crypto.KeyStoreKeyProvider	A basic KeyProvider that can resolve keys from a protected KeyStore file on the local filesystem.
org.apache.hadoop.hbase.KeyValue	An HBase Key/Value.
org.apache.hadoop.hbase.KeyValue.KeyOnlyKeyValue	A simple form of KeyValue that creates a keyvalue with only the key part of the byte[] Mainly used in places where we need to compare two cells.
org.apache.hadoop.hbase.KeyValue.KVComparator	Deprecated. : Use CellComparatorImpl.
org.apache.hadoop.hbase.KeyValue.MetaComparator	Deprecated. : MetaCellComparator.META_COMPARATOR to be used.
org.apache.hadoop.hbase.KeyValue.SamePrefixComparator<T>	Avoids redundant comparisons for better performance.
org.apache.hadoop.hbase.KeyValue.Type	Key type.
org.apache.hadoop.hbase.codec.KeyValueCodec	Codec that does KeyValue version 1 serialization.
org.apache.hadoop.hbase.codec.KeyValueCodec.ByteBuffKeyValueDecoder
org.apache.hadoop.hbase.codec.KeyValueCodec.KeyValueDecoder
org.apache.hadoop.hbase.codec.KeyValueCodec.KeyValueEncoder
org.apache.hadoop.hbase.codec.KeyValueCodecWithTags	Codec that does KeyValue version 1 serialization with serializing tags also.
org.apache.hadoop.hbase.codec.KeyValueCodecWithTags.ByteBuffKeyValueDecoder
org.apache.hadoop.hbase.codec.KeyValueCodecWithTags.KeyValueDecoder
org.apache.hadoop.hbase.codec.KeyValueCodecWithTags.KeyValueEncoder
org.apache.hadoop.hbase.regionserver.KeyValueHeap	Implements a heap merge across any number of KeyValueScanners.
org.apache.hadoop.hbase.regionserver.KeyValueHeap.KVScannerComparator
org.apache.hadoop.hbase.regionserver.KeyValueScanner	Scanner that returns the next KeyValue.
org.apache.hadoop.hbase.mapreduce.KeyValueSerialization	Deprecated. Use CellSerialization.
org.apache.hadoop.hbase.mapreduce.KeyValueSerialization.KeyValueDeserializer
org.apache.hadoop.hbase.mapreduce.KeyValueSerialization.KeyValueSerializer
org.apache.hadoop.hbase.mapreduce.KeyValueSortReducer	Deprecated. Use CellSortReducer.
org.apache.hadoop.hbase.KeyValueTestUtil
org.apache.hadoop.hbase.KeyValueUtil	static convenience methods for dealing with KeyValues and collections of KeyValues
org.apache.hadoop.hbase.regionserver.LastSequenceId	Last flushed sequence Ids for the regions and their stores on region server
org.apache.hadoop.hbase.regionserver.LeaseException	Reports a problem with a lease
org.apache.hadoop.hbase.regionserver.LeaseListener	LeaseListener is an interface meant to be implemented by users of the Leases class.
org.apache.hadoop.hbase.regionserver.LeaseManager	Leases There are several server classes in HBase that need to track external clients that occasionally send heartbeats.
org.apache.hadoop.hbase.regionserver.LeaseManager.LeaseStillHeldException	Thrown if we are asked to create a lease but lease on passed name already exists.
org.apache.hadoop.hbase.util.LeaseNotRecoveredException	Thrown when the lease was expected to be recovered, but the file can't be opened.
org.apache.hadoop.hbase.master.LoadBalancer	Makes decisions about the placement and movement of Regions across RegionServers.
org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles	Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0.
org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.LoadQueueItem	Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0.
org.apache.hadoop.hbase.LocalHBaseCluster	This class creates a single process HBase cluster.
org.apache.hadoop.hbase.util.LocatedBlockHelper	hadoop 3.3.1 changed the return value of this method from DatanodeInfo[] to DatanodeInfoWithStorage[], which causes the JVM can not locate the method if we are compiled with hadoop 3.2 and then link with hadoop 3.3+, so here we need to use reflection to make it work for both hadoop versions, otherwise we need to publish more artifacts for different hadoop versions...
org.apache.hadoop.hbase.client.locking.LockServiceClient	Helper class to create "master locks" for namespaces, tables and regions.
org.apache.hadoop.hbase.client.LockTimeoutException
org.apache.hadoop.hbase.logging.Log4jUtils	A bridge class for operating on log4j, such as changing log level, etc.
LogEntry	Abstract response class representing online logs response from ring-buffer use-cases e.g slow/large RPC logs, balancer decision logs
org.apache.hadoop.hbase.namequeues.LogHandlerUtils	Event Handler utility class
org.apache.hadoop.hbase.http.log.LogLevel	Change log level in runtime.
org.apache.hadoop.hbase.http.log.LogLevel.Servlet	A servlet implementation
org.apache.hadoop.hbase.util.LogMonitoring	Utility functions for reading the log4j logs that are being written by HBase.
LogQueryFilter	Deprecated. as of 2.4.0.
org.apache.hadoop.hbase.client.LogQueryFilter.FilterByOperator
org.apache.hadoop.hbase.client.LogQueryFilter.Type
org.apache.hadoop.hbase.regionserver.LogRoller	Runs periodically to determine if the WAL should be rolled.
org.apache.hadoop.hbase.filter.LongComparator	A long comparator which numerical compares against the specified byte array
org.apache.hadoop.hbase.util.LossyCounting<T>	LossyCounting utility, bounded data structure that maintains approximate high frequency elements in data stream.
org.apache.hadoop.hbase.util.LossyCounting.LossyCountingListener<T>
org.apache.hadoop.hbase.io.hfile.LruAdaptiveBlockCache	This realisation improve performance of classical LRU cache up to 3 times via reduce GC job.
org.apache.hadoop.hbase.io.hfile.LruBlockCache	A block cache implementation that is memory-aware using HeapSize, memory-bound using an LRU eviction algorithm, and concurrent: backed by a ConcurrentHashMap and with a non-blocking eviction thread giving constant-time LruBlockCache.cacheBlock(org.apache.hadoop.hbase.io.hfile.BlockCacheKey, org.apache.hadoop.hbase.io.hfile.Cacheable, boolean) and LruBlockCache.getBlock(org.apache.hadoop.hbase.io.hfile.BlockCacheKey, boolean, boolean, boolean) operations.
org.apache.hadoop.hbase.io.hfile.LruCachedBlock	Represents an entry in the LruBlockCache.
org.apache.hadoop.hbase.io.hfile.LruCachedBlockQueue	A memory-bound queue that will grow until an element brings total size >= maxSize.
org.apache.hadoop.hbase.io.util.LRUDictionary	WALDictionary using an LRU eviction algorithm.
org.apache.hadoop.hbase.regionserver.querymatcher.MajorCompactionScanQueryMatcher	Query matcher for major compaction.
org.apache.hadoop.hbase.util.compaction.MajorCompactionTTLRequest	This request helps determine if a region has to be compacted based on table's TTL.
org.apache.hadoop.hbase.util.compaction.MajorCompactor
org.apache.hadoop.hbase.util.compaction.MajorCompactorTTL	This tool compacts a table's regions that are beyond it's TTL.
org.apache.hadoop.hbase.util.ManualEnvironmentEdge	An environment edge that uses a manually set value.
org.apache.hadoop.hbase.mob.ManualMobMaintHFileCleaner	BaseHFileCleanerDelegate that prevents cleaning HFiles from a mob region keeps a map of table name strings to mob region name strings over the life of a JVM instance.
org.apache.hadoop.hbase.util.MapreduceDependencyClasspathTool	Generate a classpath string containing any jars required by mapreduce jobs.
org.apache.hadoop.hbase.util.MapReduceExtendedCell	A wrapper for a cell to be used with mapreduce, as the output value class for mappers/reducers.
org.apache.hadoop.hbase.zookeeper.MasterAddressTracker	Manages the location of the current active Master for the RegionServer.
org.apache.hadoop.hbase.master.MasterAnnotationReadingPriorityFunction	Priority function specifically for the master.
org.apache.hadoop.hbase.coprocessor.MasterCoprocessor
org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment
org.apache.hadoop.hbase.master.MasterCoprocessorHost	Provides the coprocessor framework and environment for master oriented operations.
org.apache.hadoop.hbase.ipc.MasterFifoRpcScheduler	A special RpcScheduler} only used for master.
org.apache.hadoop.hbase.regionserver.MasterFifoRpcSchedulerFactory	Factory to use when you want to use the MasterFifoRpcScheduler
org.apache.hadoop.hbase.master.MasterFileSystem	This class abstracts a bunch of operations the HMaster needs to interact with the underlying file system like creating the initial layout, checking file system status, etc.
org.apache.hadoop.hbase.zookeeper.MasterMaintenanceModeTracker	Tracks the master Maintenance Mode via ZK.
org.apache.hadoop.hbase.MasterNotRunningException	Thrown if the master is not running
org.apache.hadoop.hbase.coprocessor.MasterObserver	Defines coprocessor hooks for interacting with operations on the HMaster process.
org.apache.hadoop.hbase.quotas.MasterQuotaManager	Master Quota Manager.
org.apache.hadoop.hbase.quotas.MasterQuotasObserver	An observer to automatically delete quotas when a table/namespace is deleted.
org.apache.hadoop.hbase.master.MasterRegionServerList	MasterRegion based RegionServerList.
org.apache.hadoop.hbase.client.MasterRegistry	Deprecated. Since 2.5.0, will be removed in 4.0.0.
org.apache.hadoop.hbase.exceptions.MasterRegistryFetchException	Exception thrown when an master registry RPC fails in client.
org.apache.hadoop.hbase.master.MasterRpcServices	Implements the master RPC services.
org.apache.hadoop.hbase.master.MasterServices	A curated subset of services provided by HMaster.
org.apache.hadoop.hbase.master.MasterStateStore	A state storage which stores the state in master local region.
org.apache.hadoop.hbase.exceptions.MasterStoppedException	Thrown when the master is stopped
org.apache.hadoop.hbase.client.MasterSwitchType	Represents the master switch type
org.apache.hadoop.hbase.master.MasterWalManager	This class abstracts a bunch of operations the HMaster needs when splitting log files e.g.
org.apache.hadoop.hbase.metrics.MBeanSource	Object that will register an mbean with the underlying metrics implementation.
org.apache.hadoop.hbase.metrics.MBeanSourceImpl	Hadoop2 metrics2 implementation of an object that registers MBeans.
org.apache.hadoop.hbase.util.MD5Hash	Utility class for MD5 MD5 hash produces a 128-bit digest.
org.apache.hadoop.hbase.io.hfile.MemcachedBlockCache	Class to store blocks into memcached.
org.apache.hadoop.hbase.MemoryCompactionPolicy	Enum describing all possible memory compaction policies
org.apache.hadoop.hbase.io.util.MemorySizeUtil	Util class to calculate memory size for memstore(on heap, off heap), block cache(L1, L2) of RS.
org.apache.hadoop.hbase.regionserver.MemStore	The MemStore holds in-memory modifications to the Store.
org.apache.hadoop.hbase.regionserver.MemStoreCompactionStrategy	MemStoreCompactionStrategy is the root of a class hierarchy which defines the strategy for choosing the next action to apply in an (in-memory) memstore compaction.
org.apache.hadoop.hbase.regionserver.MemStoreCompactionStrategy.Action	Types of actions to be done on the pipeline upon MemStoreCompaction invocation.
org.apache.hadoop.hbase.regionserver.MemStoreCompactor	The ongoing MemStore Compaction manager, dispatches a solo running compaction and interrupts the compaction if requested.
org.apache.hadoop.hbase.regionserver.MemStoreCompactorSegmentsIterator	The MemStoreCompactorSegmentsIterator extends MemStoreSegmentsIterator and performs the scan for compaction operation meaning it is based on SQM
org.apache.hadoop.hbase.regionserver.MemStoreFlusher	Thread that flushes cache on request NOTE: This class extends Thread rather than Chore because the sleep time can be interrupted when there is something to do, rather than the Chore sleep time which is invariant.
org.apache.hadoop.hbase.regionserver.MemStoreLAB	A memstore-local allocation buffer.
org.apache.hadoop.hbase.regionserver.MemStoreLABImpl	A memstore-local allocation buffer.
org.apache.hadoop.hbase.regionserver.MemStoreMergerSegmentsIterator	The MemStoreMergerSegmentsIterator extends MemStoreSegmentsIterator and performs the scan for simple merge operation meaning it is NOT based on SQM
org.apache.hadoop.hbase.regionserver.MemStoreSegmentsIterator	The MemStoreSegmentsIterator is designed to perform one iteration over given list of segments For another iteration new instance of MemStoreSegmentsIterator needs to be created The iterator is not thread-safe and must have only one instance per MemStore in each period of time
org.apache.hadoop.hbase.regionserver.MemStoreSize	Data structure of three longs.
org.apache.hadoop.hbase.regionserver.MemStoreSizing	Accounting of current heap and data sizes.
org.apache.hadoop.hbase.regionserver.MemStoreSnapshot	MemStoreSnapshot is a Context Object to hold details of the snapshot taken on a MemStore.
org.apache.hadoop.hbase.exceptions.MergeRegionException	Thrown when something is wrong in trying to merge two regions.
org.apache.hadoop.hbase.codec.MessageCodec	Codec that just writes out Cell as a protobuf Cell Message.
org.apache.hadoop.hbase.hbtop.screen.top.MessageModeScreenPresenter	The presentation logic for the message mode.
org.apache.hadoop.hbase.hbtop.screen.top.MessageModeScreenView	The message mode in the top screen.
org.apache.hadoop.hbase.client.MetaCache	A cache implementation for region locations from meta.
org.apache.hadoop.hbase.MetaCellComparator	A CellComparatorImpl for hbase:meta catalog table KeyValues.
org.apache.hadoop.hbase.MetaMutationAnnotation	The field or the parameter to which this annotation can be applied only when it holds mutations for hbase:meta table.
org.apache.hadoop.hbase.MetaRegionLocationCache	A cache of meta region location metadata.
org.apache.hadoop.hbase.ipc.MetaRWQueueRpcExecutor	RPC Executor that uses different queues for reads and writes for meta.
org.apache.hadoop.hbase.MetaTableAccessor	Read/write operations on hbase:meta region as well as assignment information stored to hbase:meta.
org.apache.hadoop.hbase.MetaTableAccessor.CloseableVisitor	Implementations 'visit' a catalog table row but with close() at the end.
org.apache.hadoop.hbase.MetaTableAccessor.DefaultVisitorBase	A Visitor that skips offline regions and split parents
org.apache.hadoop.hbase.MetaTableAccessor.QueryType
org.apache.hadoop.hbase.MetaTableAccessor.ReplicationBarrierResult
org.apache.hadoop.hbase.MetaTableAccessor.TableVisitorBase	A Visitor for a table.
org.apache.hadoop.hbase.MetaTableAccessor.Visitor	Implementations 'visit' a catalog table row.
org.apache.hadoop.hbase.zookeeper.MetaTableLocator	Utility class to perform operation (get/wait for/verify/set/delete) on znode in ZooKeeper which keeps hbase:meta region server location.
org.apache.hadoop.hbase.coprocessor.MetaTableMetrics	A coprocessor that collects metrics from meta table.
org.apache.hadoop.hbase.metrics.Meter	A metric which measure the rate at which some operation is invoked.
org.apache.hadoop.hbase.util.Methods
org.apache.hadoop.hbase.metrics.Metric	Parent interface for all metrics.
org.apache.hadoop.metrics2.MetricHistogram	Metrics Histogram interface.
org.apache.hadoop.hbase.metrics.MetricRegistries	MetricRegistries is collection of MetricRegistry's.
org.apache.hadoop.hbase.metrics.MetricRegistriesLoader
org.apache.hadoop.hbase.metrics.MetricRegistry	General purpose factory for creating various metrics.
org.apache.hadoop.hbase.metrics.MetricRegistryFactory	A Factory for creating MetricRegistries.
org.apache.hadoop.hbase.metrics.MetricRegistryInfo	HBase Metrics are grouped in different MetricRegistry'ies.
org.apache.hadoop.hbase.master.MetricsAssignmentManager
org.apache.hadoop.hbase.master.MetricsAssignmentManagerSource
org.apache.hadoop.hbase.master.MetricsAssignmentManagerSourceImpl
org.apache.hadoop.hbase.client.MetricsConnection	This class is for maintaining the various connection statistics and publishing them through the metrics interfaces.
org.apache.hadoop.hbase.client.MetricsConnection.CallStats	A container class for collecting details about the RPC call as it percolates.
org.apache.hadoop.hbase.client.MetricsConnection.CallTracker
org.apache.hadoop.hbase.client.MetricsConnection.RegionStats
org.apache.hadoop.hbase.client.MetricsConnection.RunnerStats
org.apache.hadoop.hbase.coprocessor.MetricsCoprocessor	Utility class for tracking metrics for various types of coprocessors.
org.apache.hadoop.hbase.metrics.MetricSet	A set of named metrics.
org.apache.hadoop.metrics2.MetricsExecutor	ScheduledExecutorService for metrics.
org.apache.hadoop.hbase.ipc.MetricsHBaseServer
org.apache.hadoop.hbase.ipc.MetricsHBaseServerSource
org.apache.hadoop.hbase.ipc.MetricsHBaseServerSourceFactory
org.apache.hadoop.hbase.ipc.MetricsHBaseServerSourceFactoryImpl
org.apache.hadoop.hbase.ipc.MetricsHBaseServerSourceImpl
org.apache.hadoop.hbase.ipc.MetricsHBaseServerWrapper
org.apache.hadoop.hbase.ipc.MetricsHBaseServerWrapperImpl
org.apache.hadoop.hbase.regionserver.MetricsHeapMemoryManager	This class is for maintaining the various regionserver's heap memory manager statistics and publishing them through the metrics interfaces.
org.apache.hadoop.hbase.regionserver.MetricsHeapMemoryManagerSource	This interface will be implemented by a MetricsSource that will export metrics from HeapMemoryManager in RegionServer into the hadoop metrics system.
org.apache.hadoop.hbase.regionserver.MetricsHeapMemoryManagerSourceImpl	Hadoop2 implementation of MetricsHeapMemoryManagerSource.
org.apache.hadoop.hbase.io.MetricsIO
org.apache.hadoop.hbase.io.MetricsIOSource
org.apache.hadoop.hbase.io.MetricsIOSourceImpl
org.apache.hadoop.hbase.io.MetricsIOWrapper
org.apache.hadoop.hbase.io.MetricsIOWrapperImpl
org.apache.hadoop.hbase.master.MetricsMaster	This class is for maintaining the various master statistics and publishing them through the metrics interfaces.
org.apache.hadoop.hbase.master.MetricsMasterFileSystem
org.apache.hadoop.hbase.master.MetricsMasterFileSystemSource
org.apache.hadoop.hbase.master.MetricsMasterFilesystemSourceImpl
org.apache.hadoop.hbase.master.MetricsMasterProcSource	Interface that classes that expose metrics about the master will implement.
org.apache.hadoop.hbase.master.MetricsMasterProcSourceFactory	Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper
org.apache.hadoop.hbase.master.MetricsMasterProcSourceFactoryImpl	Factory to create MetricsMasterProcSource when given a MetricsMasterWrapper
org.apache.hadoop.hbase.master.MetricsMasterProcSourceImpl	Hadoop2 implementation of MetricsMasterSource.
org.apache.hadoop.hbase.master.MetricsMasterQuotaSource	A collection of exposed metrics for space quotas from the HBase Master.
org.apache.hadoop.hbase.master.MetricsMasterQuotaSourceFactory	Interface of a factory to create MetricsMasterQuotaSource when given a MetricsMasterWrapper.
org.apache.hadoop.hbase.master.MetricsMasterQuotaSourceFactoryImpl	Factory to create MetricsMasterQuotaSource instances when given a MetricsMasterWrapper.
org.apache.hadoop.hbase.master.MetricsMasterQuotaSourceImpl	Implementation of MetricsMasterQuotaSource which writes the values passed in via the interface to the metrics backend.
org.apache.hadoop.hbase.master.MetricsMasterSource	Interface that classes that expose metrics about the master will implement.
org.apache.hadoop.hbase.master.MetricsMasterSourceFactory	Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper
org.apache.hadoop.hbase.master.MetricsMasterSourceFactoryImpl	Factory to create MetricsMasterSource when given a MetricsMasterWrapper
org.apache.hadoop.hbase.master.MetricsMasterSourceImpl	Hadoop2 implementation of MetricsMasterSource.
org.apache.hadoop.hbase.master.MetricsMasterWrapper	This is the interface that will expose information to hadoop1/hadoop2 implementations of the MetricsMasterSource.
org.apache.hadoop.hbase.master.MetricsMasterWrapperImpl	Impl for exposing HMaster Information through JMX
org.apache.hadoop.hbase.regionserver.MetricsRegion	This is the glue between the HRegion and whatever hadoop shim layer is loaded (hbase-hadoop1-compat or hbase-hadoop2-compat).
org.apache.hadoop.hbase.regionserver.MetricsRegionAggregateSource	This interface will be implemented by a MetricsSource that will export metrics from multiple regions into the hadoop metrics system.
org.apache.hadoop.hbase.regionserver.MetricsRegionAggregateSourceImpl
org.apache.hadoop.hbase.regionserver.MetricsRegionServer	Maintains regionserver statistics and publishes them through the metrics interfaces.
org.apache.hadoop.hbase.regionserver.MetricsRegionServerQuotaSource	A collection of exposed metrics for space quotas from an HBase RegionServer.
org.apache.hadoop.hbase.regionserver.MetricsRegionServerQuotaSourceImpl	Implementation of MetricsRegionServerQuotaSource.
org.apache.hadoop.hbase.regionserver.MetricsRegionServerSource	Interface for classes that expose metrics about the regionserver.
org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceFactory	Interface of a factory to create Metrics Sources used inside of regionservers.
org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceFactoryImpl	Factory to create MetricsRegionServerSource when given a MetricsRegionServerWrapper
org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceFactoryImpl.FactoryStorage
org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceImpl	Hadoop2 implementation of MetricsRegionServerSource.
org.apache.hadoop.hbase.regionserver.MetricsRegionServerWrapper	This is the interface that will expose RegionServer information to hadoop1/hadoop2 implementations of the MetricsRegionServerSource.
org.apache.hadoop.hbase.regionserver.MetricsRegionSource	This interface will be implemented to allow single regions to push metrics into MetricsRegionAggregateSource that will in turn push data to the Hadoop metrics system.
org.apache.hadoop.hbase.regionserver.MetricsRegionSourceImpl
org.apache.hadoop.hbase.regionserver.MetricsRegionWrapper	Interface of class that will wrap an HRegion and export numbers so they can be used in MetricsRegionSource
org.apache.hadoop.hbase.regionserver.MetricsRegionWrapperImpl
org.apache.hadoop.hbase.rest.MetricsREST
org.apache.hadoop.hbase.rest.MetricsRESTSource	Interface of the Metrics Source that will export data to Hadoop's Metrics2 system.
org.apache.hadoop.hbase.rest.MetricsRESTSourceImpl	Hadoop Two implementation of a metrics2 source that will export metrics from the Rest server to the hadoop metrics2 subsystem.
org.apache.hadoop.hbase.master.MetricsSnapshot
org.apache.hadoop.hbase.master.MetricsSnapshotSource
org.apache.hadoop.hbase.master.MetricsSnapshotSourceImpl
org.apache.hadoop.hbase.regionserver.MetricsTable
org.apache.hadoop.hbase.regionserver.MetricsTableAggregateSource	This interface will be implemented by a MetricsSource that will export metrics from multiple regions of a table into the hadoop metrics system.
org.apache.hadoop.hbase.regionserver.MetricsTableAggregateSourceImpl
org.apache.hadoop.hbase.regionserver.metrics.MetricsTableRequests
org.apache.hadoop.hbase.regionserver.MetricsTableSource	This interface will be implemented to allow region server to push table metrics into MetricsRegionAggregateSource that will in turn push data to the Hadoop metrics system.
org.apache.hadoop.hbase.regionserver.MetricsTableSourceImpl
org.apache.hadoop.hbase.regionserver.MetricsTableWrapperAggregate	Interface of class that will wrap a MetricsTableSource and export numbers so they can be used in MetricsTableSource
org.apache.hadoop.hbase.regionserver.MetricsTableWrapperAggregateImpl
org.apache.hadoop.hbase.thrift.MetricsThriftServerSource	Interface of a class that will export metrics about Thrift to hadoop's metrics2.
org.apache.hadoop.hbase.thrift.MetricsThriftServerSourceFactory	Factory that will be used to create metrics sources for the two diffent types of thrift servers.
org.apache.hadoop.hbase.thrift.MetricsThriftServerSourceFactoryImpl	Class used to create metrics sources for Thrift and Thrift2 servers.
org.apache.hadoop.hbase.thrift.MetricsThriftServerSourceImpl	Hadoop 2 version of MetricsThriftServerSource Implements BaseSource through BaseSourceImpl, following the pattern
org.apache.hadoop.hbase.regionserver.MetricsUserAggregate
org.apache.hadoop.hbase.regionserver.MetricsUserAggregateFactory
org.apache.hadoop.hbase.regionserver.MetricsUserAggregateImpl
org.apache.hadoop.hbase.regionserver.MetricsUserAggregateSource	This interface will be implemented by a MetricsSource that will export metrics from multiple users into the hadoop metrics system.
org.apache.hadoop.hbase.regionserver.MetricsUserAggregateSourceImpl
org.apache.hadoop.hbase.regionserver.MetricsUserSource
org.apache.hadoop.hbase.regionserver.MetricsUserSource.ClientMetrics
org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl
org.apache.hadoop.hbase.regionserver.wal.MetricsWAL	Class used to push numbers about the WAL into the metrics subsystem.
org.apache.hadoop.hbase.namequeues.MetricsWALEventTrackerSource
org.apache.hadoop.hbase.namequeues.MetricsWALEventTrackerSourceImpl
org.apache.hadoop.hbase.regionserver.wal.MetricsWALSource	Interface of the source that will export metrics about the region server's WAL.
org.apache.hadoop.hbase.regionserver.wal.MetricsWALSourceImpl	Class that transitions metrics from MetricsWAL into the metrics subsystem.
org.apache.hadoop.hbase.zookeeper.MetricsZooKeeperSource	Interface of the source that will export metrics about the ZooKeeper.
org.apache.hadoop.hbase.zookeeper.MetricsZooKeeperSourceImpl	Class that transitions metrics from MetricsZooKeeper into the metrics subsystem.
org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress<T>	Wraps together the mutations which are applied as a batch to the region and their operation status and WALEdits.
org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster	TODO: Most of the code in this class is ripped from ZooKeeper tests.
org.apache.hadoop.hbase.regionserver.querymatcher.MinorCompactionScanQueryMatcher	Query matcher for minor compaction.
org.apache.hadoop.hbase.master.MirroringTableStateManager	Deprecated. Since 2.0.0.
org.apache.hadoop.hbase.quotas.policies.MissingSnapshotViolationPolicyEnforcement	A SpaceViolationPolicyEnforcement which can be treated as a singleton.
org.apache.hadoop.hbase.mob.MobCell	The MobCell will maintain a Cell and a StoreFileScanner inside.
org.apache.hadoop.hbase.client.MobCompactPartitionPolicy	Enum describing the mob compact partition policy types.
org.apache.hadoop.hbase.mob.MobConstants	The constants used in mob.
org.apache.hadoop.hbase.mob.MobFile	The mob file.
org.apache.hadoop.hbase.mob.MobFileCache	The cache for mob files.
org.apache.hadoop.hbase.mob.MobFileCleanerChore	The class MobFileCleanerChore for running cleaner regularly to remove the expired and obsolete (files which have no active references to) mob files.
org.apache.hadoop.hbase.mob.MobFileCleanupUtil
org.apache.hadoop.hbase.mob.MobFileCompactionChore	Periodic MOB compaction chore.
org.apache.hadoop.hbase.mob.MobFileName	The mob file name.
org.apache.hadoop.hbase.mob.mapreduce.MobRefReporter	Scans a given table + CF for all mob reference cells to get the list of backing mob files.
org.apache.hadoop.hbase.mob.mapreduce.MobRefReporter.MobRefMapper
org.apache.hadoop.hbase.mob.mapreduce.MobRefReporter.MobRefReducer
org.apache.hadoop.hbase.mob.MobStoreEngine	MobStoreEngine creates the mob specific compactor, and store flusher.
org.apache.hadoop.hbase.regionserver.MobStoreScanner	Scanner scans both the memstore and the MOB Store.
org.apache.hadoop.hbase.mob.MobUtils	The mob utilities
org.apache.hadoop.hbase.hbtop.mode.Mode	Represents a display mode in the top screen.
org.apache.hadoop.hbase.hbtop.screen.mode.ModeScreenPresenter	The presentation logic for the mode screen.
org.apache.hadoop.hbase.hbtop.screen.mode.ModeScreenView	The screen where we can choose the Mode in the top screen.
org.apache.hadoop.hbase.hbtop.mode.ModeStrategyUtils
org.apache.hadoop.hbase.regionserver.storefiletracker.ModifyColumnFamilyStoreFileTrackerProcedure
org.apache.hadoop.hbase.util.ModifyRegionUtils	Utility methods for interacting with the regions.
org.apache.hadoop.hbase.util.ModifyRegionUtils.RegionEditTask
org.apache.hadoop.hbase.util.ModifyRegionUtils.RegionFillTask
org.apache.hadoop.hbase.regionserver.storefiletracker.ModifyStoreFileTrackerProcedure	This procedure is used to change the store file tracker implementation.
org.apache.hadoop.hbase.regionserver.storefiletracker.ModifyTableStoreFileTrackerProcedure
org.apache.hadoop.hbase.util.MovingAverage<T>	The purpose of introduction of MovingAverage mainly is to measure execution time of a specific method, which can help us to know its performance fluctuation in response to different machine states or situations, better case, then to act accordingly.
org.apache.hadoop.hbase.client.MultiAction	Container for Actions (i.e.
org.apache.hadoop.hbase.MultiActionResultTooLarge	Exception thrown when the result needs to be chunked on the server side.
org.apache.hadoop.hbase.nio.MultiByteBuff	Provides a unified view of all the underlying ByteBuffers and will look as if a bigger sequential buffer.
org.apache.hadoop.hbase.util.MultiHConnection	Provides ability to create multiple Connection instances and allows to process a batch of actions using CHTable.doBatchWithCallback()
org.apache.hadoop.hbase.filter.MultipleColumnPrefixFilter	This filter is used for selecting only those keys with columns that matches a particular prefix.
org.apache.hadoop.hbase.client.MultiResponse	A container for Result objects, grouped by regionName.
org.apache.hadoop.hbase.coprocessor.MultiRowMutationEndpoint	This class implements atomic multi row transactions using HRegion.mutateRowsWithLocks(Collection, Collection, long, long) and Coprocessor endpoints.
org.apache.hadoop.hbase.filter.MultiRowRangeFilter	Filter to support scan multiple row key ranges.
org.apache.hadoop.hbase.filter.MultiRowRangeFilter.RowRange
org.apache.hadoop.hbase.rest.MultiRowResource
org.apache.hadoop.hbase.mapreduce.MultiTableHFileOutputFormat	Create 3 level tree directory, first level is using table name as parent directory and then use family name as child directory, and all related HFiles for one family are under child directory -tableName1 -columnFamilyName1 -columnFamilyName2 -HFiles -tableName2 -columnFamilyName1 -HFiles -columnFamilyName2
org.apache.hadoop.hbase.mapreduce.MultiTableInputFormat	Convert HBase tabular data from multiple scanners into a format that is consumable by Map/Reduce.
org.apache.hadoop.hbase.mapreduce.MultiTableInputFormatBase	A base for MultiTableInputFormats.
org.apache.hadoop.hbase.mapreduce.MultiTableOutputFormat	Hadoop output format that writes to one or more HBase tables.
org.apache.hadoop.hbase.mapreduce.MultiTableOutputFormat.MultiTableRecordWriter	Record writer for outputting to multiple HTables.
org.apache.hadoop.hbase.mapred.MultiTableSnapshotInputFormat	MultiTableSnapshotInputFormat generalizes TableSnapshotInputFormat allowing a MapReduce job to run over one or more table snapshots, with one or more scans configured for each.
org.apache.hadoop.hbase.mapreduce.MultiTableSnapshotInputFormat	MultiTableSnapshotInputFormat generalizes TableSnapshotInputFormat allowing a MapReduce job to run over one or more table snapshots, with one or more scans configured for each.
org.apache.hadoop.hbase.mapreduce.MultiTableSnapshotInputFormatImpl	Shared implementation of mapreduce code over multiple table snapshots.
org.apache.hadoop.hbase.client.example.MultiThreadedClientExample	Example on how to use HBase's Connection and Table in a multi-threaded environment.
org.apache.hadoop.hbase.client.example.MultiThreadedClientExample.ReadExampleCallable	Class to show how to scan some rows starting at a random location.
org.apache.hadoop.hbase.client.example.MultiThreadedClientExample.SingleWriteExampleCallable	Class to show how to send a single put.
org.apache.hadoop.hbase.client.example.MultiThreadedClientExample.WriteExampleCallable	Class that will show how to send batches of puts at the same time.
org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper<K2,V2>	Multithreaded implementation for @link org.apache.hbase.mapreduce.TableMapper
org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl	Manages the read/write consistency.
org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.WriteEntry	Write number and whether write has completed given out at start of a write transaction.
org.apache.hadoop.hbase.util.MunkresAssignment	Computes the optimal (minimal cost) assignment of jobs to workers (or other analogous) concepts given a cost matrix of each pair of job and worker, using the algorithm by James Munkres in "Algorithms for the Assignment and Transportation Problems", with additional optimizations as described by Jin Kue Wong in "A New Implementation of an Algorithm for the Optimal Assignment Problem: An Improved Version of Munkres' Algorithm".
org.apache.hadoop.hbase.util.MurmurHash	This is a very fast, non-cryptographic hash suitable for general hash-based lookup.
org.apache.hadoop.hbase.util.MurmurHash3	This is a very fast, non-cryptographic hash suitable for general hash-based lookup.
org.apache.hadoop.hbase.regionserver.MutableOnlineRegions	Interface to Map of online regions.
org.apache.hadoop.hbase.regionserver.MutableSegment	A mutable segment in memstore, specifically the active segment.
org.apache.hadoop.hbase.client.Mutation
org.apache.hadoop.hbase.mapreduce.MutationSerialization
org.apache.hadoop.hbase.namequeues.request.NamedQueueGetRequest	Request object to be used by ring buffer use-cases.
org.apache.hadoop.hbase.namequeues.response.NamedQueueGetResponse	Response object to be sent by namedQueue service back to caller
org.apache.hadoop.hbase.namequeues.NamedQueuePayload	Base payload to be prepared by client to send various namedQueue events for in-memory ring buffer storage in either HMaster or RegionServer.
org.apache.hadoop.hbase.namequeues.NamedQueuePayload.NamedQueueEvent
org.apache.hadoop.hbase.namequeues.NamedQueueRecorder	NamedQueue recorder that maintains various named queues.
org.apache.hadoop.hbase.namequeues.NamedQueueService	In-memory Queue service provider for multiple use-cases.
org.apache.hadoop.hbase.namequeues.NamedQueueServiceChore	Chore to insert multiple accumulated slow/large logs to hbase:slowlog system table
org.apache.hadoop.hbase.namespace.NamespaceAuditor	The Class NamespaceAuditor performs checks to ensure operations like table creation and region splitting preserve namespace quota.
org.apache.hadoop.hbase.NamespaceDescriptor	Namespace POJO class.
org.apache.hadoop.hbase.NamespaceDescriptor.Builder
org.apache.hadoop.hbase.NamespaceExistException	Thrown when a namespace exists but should not
org.apache.hadoop.hbase.wal.NamespaceGroupingStrategy	A WAL grouping strategy based on namespace.
org.apache.hadoop.hbase.hbtop.mode.NamespaceModeStrategy	Implementation for ModeStrategy for Namespace Mode.
org.apache.hadoop.hbase.NamespaceNotFoundException	Thrown when a namespace can not be located
org.apache.hadoop.hbase.quotas.NamespaceQuotaSnapshotStore	QuotaSnapshotStore implementation for namespaces.
org.apache.hadoop.hbase.rest.NamespacesInstanceResource	Implements the following REST end points:
org.apache.hadoop.hbase.rest.NamespacesResource	Implements REST GET list of all namespaces.
org.apache.hadoop.hbase.replication.NamespaceTableCfWALEntryFilter	Filter a WAL Entry by the peer config according to the table and family which it belongs to.
org.apache.hadoop.hbase.wal.NettyAsyncFSWALConfigHelper	Helper class for passing netty event loop config to AsyncFSWALProvider.
org.apache.hadoop.hbase.util.NettyEventLoopGroupConfig	Event loop group related config.
org.apache.hadoop.hbase.util.NettyFutureUtils	Helper class for processing netty futures.
org.apache.hadoop.hbase.security.NettyHBaseRpcConnectionHeaderHandler	Implement logic to deal with the rpc connection header.
org.apache.hadoop.hbase.security.NettyHBaseSaslRpcClient	Implement SASL logic for netty rpc client.
org.apache.hadoop.hbase.security.NettyHBaseSaslRpcClientHandler	Implement SASL logic for netty rpc client.
org.apache.hadoop.hbase.ipc.NettyRpcClient	Netty client for the requests and responses.
org.apache.hadoop.hbase.ipc.NettyRpcClientConfigHelper	Helper class for passing config to NettyRpcClient.
org.apache.hadoop.hbase.ipc.NettyRpcServer	An RPC server with Netty4 implementation.
org.apache.hadoop.hbase.ipc.NettyRpcServerChannelWritabilityHandler	Handler to enforce writability protections on our server channels: - Responds to channel writability events, which are triggered when the total pending bytes for a channel passes configured high and low watermarks.
org.apache.hadoop.hbase.util.NettyUnsafeUtils	Wraps some usages of netty's unsafe API, for ease of maintainability.
org.apache.hadoop.hbase.regionserver.querymatcher.NewVersionBehaviorTracker	A tracker both implementing ColumnTracker and DeleteTracker, used for mvcc-sensitive scanning.
org.apache.hadoop.hbase.http.NoCacheFilter
org.apache.hadoop.hbase.quotas.policies.NoInsertsViolationPolicyEnforcement	A SpaceViolationPolicyEnforcement which disallows any inserts to the table.
org.apache.hadoop.hbase.regionserver.NoLimitScannerContext	This is a special ScannerContext subclass that is designed to be used globally when limits should not be enforced during invocations of InternalScanner.next(java.util.List) or InternalScanner.next(java.util.List).
org.apache.hadoop.hbase.regionserver.throttle.NoLimitThroughputController
org.apache.hadoop.hbase.client.NoncedRegionServerCallable<T>	Implementations make an rpc call against a RegionService via a protobuf Service.
org.apache.hadoop.hbase.client.NonceGenerator	NonceGenerator interface.
org.apache.hadoop.hbase.util.NonceKey	This implementation is not smart and just treats nonce group and nonce as random bits.
org.apache.hadoop.hbase.io.encoding.NoneEncoder
org.apache.hadoop.hbase.regionserver.NonLazyKeyValueScanner	A "non-lazy" scanner which always does a real seek operation.
org.apache.hadoop.hbase.regionserver.NonReversedNonLazyKeyValueScanner	A "non-reversed & non-lazy" scanner which does not support backward scanning and always does a real seek operation.
org.apache.hadoop.hbase.io.hfile.NoOpDataBlockEncoder	Does not perform any kind of encoding/decoding.
org.apache.hadoop.hbase.io.hfile.NoOpIndexBlockEncoder	Does not perform any kind of encoding/decoding.
org.apache.hadoop.hbase.io.hfile.NoOpIndexBlockEncoder.NoOpEncodedSeeker
org.apache.hadoop.hbase.quotas.NoOpRegionSizeStore	A RegionSizeStore implementation that stores nothing.
org.apache.hadoop.hbase.regionserver.NoRegionSplitRestriction	A RegionSplitRestriction implementation that does nothing.
org.apache.hadoop.hbase.client.NormalizeTableFilterParams	A collection of criteria used for table selection.
org.apache.hadoop.hbase.client.NormalizeTableFilterParams.Builder	Used to instantiate an instance of NormalizeTableFilterParams.
org.apache.hadoop.hbase.regionserver.querymatcher.NormalUserScanQueryMatcher	Query matcher for normal user scan.
org.apache.hadoop.hbase.client.NoServerForRegionException	Thrown when no region server can be found for a region
org.apache.hadoop.hbase.regionserver.NoSuchColumnFamilyException	Thrown if request for nonexistent column family.
org.apache.hadoop.hbase.master.NoSuchProcedureException
org.apache.hadoop.hbase.regionserver.NoTagByteBufferChunkKeyValue	ByteBuffer based cell which has the chunkid at the 0th offset and with no tags
org.apache.hadoop.hbase.NoTagsByteBufferKeyValue	An extension of the ByteBufferKeyValue where the tags length is always 0
org.apache.hadoop.hbase.NoTagsKeyValue	An extension of the KeyValue where the tags length is always 0
org.apache.hadoop.hbase.NotAllMetaRegionsOnlineException	Thrown when an operation requires the root and all meta regions to be online
org.apache.hadoop.hbase.NotServingRegionException	Thrown by a region server if it is sent a request for a region it is not serving.
org.apache.hadoop.hbase.quotas.policies.NoWritesCompactionsViolationPolicyEnforcement	A SpaceViolationPolicyEnforcement implementation which disables all updates and compactions.
org.apache.hadoop.hbase.quotas.policies.NoWritesViolationPolicyEnforcement	A SpaceViolationPolicyEnforcement implementation which disables all writes flowing into HBase.
org.apache.hadoop.hbase.filter.NullComparator	A binary comparator which lexicographically compares against the specified byte array using Bytes.compareTo(byte[], byte[]).
org.apache.hadoop.hbase.util.ObjectIntPair<T>	A generic class for pair of an Object and and a primitive int value.
org.apache.hadoop.hbase.util.ObjectPool<K,V>	A thread-safe shared object pool in which object creation is expected to be lightweight, and the objects may be excessively created and discarded.
org.apache.hadoop.hbase.util.ObjectPool.ObjectFactory<K,V>	An ObjectFactory object is used to create new shared objects on demand.
org.apache.hadoop.hbase.coprocessor.ObserverContext<E extends org.apache.hadoop.hbase.CoprocessorEnvironment>	Carries the execution state for a given invocation of an Observer coprocessor (RegionObserver, MasterObserver, or WALObserver) method.
org.apache.hadoop.hbase.coprocessor.ObserverContextImpl<E extends org.apache.hadoop.hbase.CoprocessorEnvironment>	This is the only implementation of ObserverContext, which serves as the interface for third-party Coprocessor developers.
org.apache.hadoop.hbase.regionserver.OffheapChunk	An off heap chunk implementation.
org.apache.hadoop.hbase.util.hbck.OfflineMetaRepair	Deprecated. Since 2.0.0.
org.apache.hadoop.hbase.master.OldWALsDirSizeChore	This chore is used to update the 'oldWALsDirSize' variable in MasterWalManager through the MasterWalManager.updateOldWALsDirSize() method.
org.apache.hadoop.hbase.regionserver.OnheapChunk	An on heap chunk implementation.
OnlineLogRecord	Slow/Large Log payload for hbase-client, to be used by Admin API get_slow_responses and get_large_responses
org.apache.hadoop.hbase.client.OnlineLogRecord.OnlineLogRecordBuilder
org.apache.hadoop.hbase.regionserver.OnlineRegions	Provides read-only access to the Regions presently online on the current RegionServer
org.apache.hadoop.hbase.client.Operation	Superclass for any type that maps to a potentially application-level query.
org.apache.hadoop.hbase.metrics.OperationMetrics	Container class for commonly collected metrics for most operations.
org.apache.hadoop.hbase.quotas.OperationQuota	Interface that allows to check the quota available for an operation.
org.apache.hadoop.hbase.quotas.OperationQuota.OperationType
org.apache.hadoop.hbase.regionserver.OperationStatus	This class stores the Operation status code and the exception message that occurs in case of failure of operations like put, delete, etc.
org.apache.hadoop.hbase.client.OperationTimeoutExceededException	Thrown when a batch operation exceeds the operation timeout
org.apache.hadoop.hbase.client.OperationWithAttributes
org.apache.hadoop.hbase.util.Order	Used to describe or modify the lexicographical sort order of a byte[].
org.apache.hadoop.hbase.types.OrderedBlob	A byte[] of variable-length.
org.apache.hadoop.hbase.types.OrderedBlobVar	An alternative to OrderedBlob for use by Struct fields that do not terminate the fields list.
org.apache.hadoop.hbase.util.OrderedBytes	Utility class that handles ordered byte arrays.
org.apache.hadoop.hbase.types.OrderedBytesBase<T>	Base class for data types backed by the OrderedBytes encoding implementations.
org.apache.hadoop.hbase.types.OrderedFloat32	A float of 32-bits using a fixed-length encoding.
org.apache.hadoop.hbase.types.OrderedFloat64	A double of 64-bits using a fixed-length encoding.
org.apache.hadoop.hbase.types.OrderedInt16	A short of 16-bits using a fixed-length encoding.
org.apache.hadoop.hbase.types.OrderedInt32	An int of 32-bits using a fixed-length encoding.
org.apache.hadoop.hbase.types.OrderedInt64	A long of 64-bits using a fixed-length encoding.
org.apache.hadoop.hbase.types.OrderedInt8	A byte of 8-bits using a fixed-length encoding.
org.apache.hadoop.hbase.types.OrderedNumeric	An Number of arbitrary precision and variable-length encoding.
org.apache.hadoop.hbase.types.OrderedString	A String of variable-length.
org.apache.hadoop.hbase.exceptions.OutOfOrderScannerNextException	Thrown by a RegionServer while doing next() calls on a ResultScanner.
org.apache.hadoop.hbase.wal.OutputSink	The following class is an abstraction class to provide a common interface to support different ways of consuming recovered edits.
org.apache.hadoop.hbase.wal.OutputSink.WriterThread
org.apache.hadoop.hbase.metrics.PackageMarker	This is a dummy annotation that forces javac to produce output for otherwise empty package-info.java.
org.apache.hadoop.hbase.client.PackagePrivateFieldAccessor	A helper class used to access the package private field in o.a.h.h.client package.
org.apache.hadoop.hbase.filter.PageFilter	Implementation of Filter interface that limits results to a specific page size.
org.apache.hadoop.hbase.hbtop.screen.top.Paging	Utility class for paging for the metrics.
org.apache.hadoop.hbase.util.Pair<T1,T2>	A generic class for pairs.
org.apache.hadoop.hbase.util.PairOfSameType<T>	A generic, immutable class for pairs of objects both of type T.
org.apache.hadoop.hbase.filter.ParseConstants	ParseConstants holds a bunch of constants related to parsing Filter Strings Used by ParseFilter
org.apache.hadoop.hbase.filter.ParseFilter	This class allows a user to specify a filter via a string The string is parsed using the methods of this class and a filter object is constructed.
org.apache.hadoop.hbase.types.PBCell	An example for using protobuf objects with DataType API.
org.apache.hadoop.hbase.types.PBType<T extends com.google.protobuf.Message>	Deprecated. Will be removed in 3.0.0 without replacement.
org.apache.hadoop.hbase.client.PerClientRandomNonceGenerator	NonceGenerator implementation that uses client ID hash + random int as nonce group, and random numbers as nonces.
org.apache.hadoop.hbase.PleaseHoldException	This exception is thrown by the master when a region server was shut down and restarted so fast that the master still hasn't processed the server shutdown of the first instance, or when master is initializing and client call admin operations, or when an operation is performed on a region server that is still starting.
org.apache.hadoop.hbase.PleaseRestartMasterException	Thrown if the master requires restart.
PluggableBlockingQueue	Abstract class template for defining a pluggable blocking queue implementation to be used by the 'pluggable' call queue type in the RpcExecutor.
org.apache.hadoop.hbase.ipc.PluggableRpcQueueNotFound	Internal runtime error type to indicate the RpcExecutor failed to execute a `pluggable` call queue type.
org.apache.hadoop.hbase.util.PoolMap<K,V>	The PoolMap maps a key to a collection of values, the elements of which are managed by a pool.
org.apache.hadoop.hbase.util.PoolMap.Pool<R>
org.apache.hadoop.hbase.util.PoolMap.PoolResourceSupplier<R>
org.apache.hadoop.hbase.util.PoolMap.PoolType
org.apache.hadoop.hbase.util.PositionedByteRange	Extends ByteRange with additional methods to support tracking a consumers position within the viewport.
org.apache.hadoop.hbase.exceptions.PreemptiveFastFailException	Deprecated. since 2.3.0, and will be removed in 4.0.0.
org.apache.hadoop.hbase.io.hfile.PrefetchExecutor
org.apache.hadoop.hbase.regionserver.PrefetchExecutorNotifier	Class to submit requests for PrefetchExecutor depending on configuration change
org.apache.hadoop.hbase.filter.PrefixFilter	Pass results that have same row prefix.
org.apache.hadoop.hbase.io.encoding.PrefixKeyDeltaEncoder	Compress key by storing size of common prefix with previous KeyValue and storing raw size of rest.
org.apache.hadoop.hbase.regionserver.throttle.PressureAwareCompactionThroughputController	A throughput controller which uses the follow schema to limit throughput If compaction pressure is greater than 1.0, no limitation. In off peak hours, use a fixed throughput limitation "hbase.hstore.compaction.throughput.offpeak" In normal hours, the max throughput is tuned between "hbase.hstore.compaction.throughput.lower.bound" and "hbase.hstore.compaction.throughput.higher.bound", using the formula "lower + (higer - lower) * compactionPressure", where compactionPressure is in range [0.0, 1.0]
org.apache.hadoop.hbase.regionserver.throttle.PressureAwareFlushThroughputController	A throughput controller which uses the follow schema to limit throughput If flush pressure is greater than or equal to 1.0, no limitation. In normal case, the max throughput is tuned between "hbase.hstore.flush.throughput.lower.bound" and "hbase.hstore.flush.throughput.upper.bound", using the formula "lower + (upper - lower) * flushPressure", where flushPressure is in range [0.0, 1.0)
org.apache.hadoop.hbase.regionserver.throttle.PressureAwareThroughputController
org.apache.hadoop.hbase.util.PrettyPrinter
org.apache.hadoop.hbase.util.PrettyPrinter.Unit
org.apache.hadoop.hbase.io.hfile.PreviousBlockCompressionRatePredicator	This BlockCompressedSizePredicator implementation adjusts the block size limit based on the compression rate of the block contents read so far.
org.apache.hadoop.hbase.ipc.PriorityFunction	Function to figure priority of incoming request.
org.apache.hadoop.hbase.PrivateCellUtil	Utility methods helpful slinging Cell instances.
org.apache.hadoop.hbase.util.ProcessUtils	Process related utilities.
org.apache.hadoop.hbase.http.ProfileOutputServlet	Servlet to serve files generated by ProfileServlet
org.apache.hadoop.hbase.http.ProfileServlet	Servlet that runs async-profiler as web-endpoint.
org.apache.hadoop.hbase.http.ProfileServlet.DisabledServlet
org.apache.hadoop.hbase.http.prometheus.PrometheusHadoopServlet
org.apache.hadoop.hbase.conf.PropagatingConfigurationObserver	This extension to ConfigurationObserver allows the configuration to propagate to the children of the current ConfigurationObserver.
org.apache.hadoop.hbase.io.asyncfs.ProtobufDecoder	Modified based on io.netty.handler.codec.protobuf.ProtobufDecoder.
org.apache.hadoop.hbase.regionserver.wal.ProtobufLogWriter	Writer for protobuf-based WAL.
org.apache.hadoop.hbase.rest.ProtobufMessageHandler	Common interface for models capable of supporting protobuf marshalling and unmarshalling.
org.apache.hadoop.hbase.rest.ProtobufStreamingOutput
org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil	Protobufs utility.
org.apache.hadoop.hbase.regionserver.wal.ProtobufWALStreamReader	A one way stream reader for reading protobuf based WAL file.
org.apache.hadoop.hbase.regionserver.wal.ProtobufWALTailingReader	A WAL reader for replication.
org.apache.hadoop.hbase.http.ProxyUserAuthenticationFilter	This file has been copied directly (changing only the package name and and the ASF license text format, and adding the Yetus annotations) from Hadoop, as the Hadoop version that HBase depends on doesn't have it yet (as of 2020 Apr 24, there is no Hadoop release that has it either).
org.apache.hadoop.hbase.client.Put	Used to perform Put operations for a single row.
org.apache.hadoop.hbase.mapreduce.PutCombiner<K>	Combine Puts.
org.apache.hadoop.hbase.mapreduce.PutSortReducer	Emits sorted Puts.
org.apache.hadoop.hbase.ipc.QosPriority	Annotation which decorates RPC methods to denote the relative priority among other RPCs in the same server.
org.apache.hadoop.hbase.filter.QualifierFilter	This filter is used to filter based on the column qualifier.
org.apache.hadoop.hbase.client.Query	Base class for HBase read operations; e.g.
org.apache.hadoop.hbase.ipc.QueueBalancer	Interface for balancing requests across IPC queues
org.apache.hadoop.hbase.quotas.QuotaCache	Cache that keeps track of the quota settings for the users and tables that are interacting with it.
org.apache.hadoop.hbase.quotas.QuotaExceededException	Generic quota exceeded exception
org.apache.hadoop.hbase.quotas.QuotaFilter	Filter to use to filter the QuotaRetriever results.
org.apache.hadoop.hbase.quotas.QuotaLimiter	Internal interface used to interact with the user/table quota.
org.apache.hadoop.hbase.quotas.QuotaLimiterFactory
org.apache.hadoop.hbase.quotas.QuotaObserverChore	Reads the currently received Region filesystem-space use reports and acts on those which violate a defined quota.
org.apache.hadoop.hbase.quotas.QuotaRetriever	Scanner to iterate over the quota settings.
org.apache.hadoop.hbase.quotas.QuotaScope	Describe the Scope of the quota rules.
org.apache.hadoop.hbase.quotas.QuotaSettings
org.apache.hadoop.hbase.quotas.QuotaSettingsFactory
org.apache.hadoop.hbase.quotas.QuotaSnapshotStore<T>	A common interface for computing and storing space quota observance/violation for entities.
org.apache.hadoop.hbase.quotas.QuotaState	In-Memory state of table or namespace quotas
org.apache.hadoop.hbase.quotas.QuotaTableUtil	Helper class to interact with the quota table.
org.apache.hadoop.hbase.quotas.QuotaTableUtil.NamespaceQuotasVisitor
org.apache.hadoop.hbase.quotas.QuotaTableUtil.QuotasVisitor
org.apache.hadoop.hbase.quotas.QuotaTableUtil.TableQuotasVisitor
org.apache.hadoop.hbase.quotas.QuotaTableUtil.UserQuotasVisitor
org.apache.hadoop.hbase.quotas.QuotaType	Describe the Quota Type.
org.apache.hadoop.hbase.quotas.QuotaUtil	Helper class to interact with the quota table
org.apache.hadoop.hbase.master.RackManager	Wrapper over the rack resolution utility in Hadoop.
org.apache.hadoop.hbase.util.Random64	An instance of this class is used to generate a stream of pseudorandom numbers.
org.apache.hadoop.hbase.ipc.RandomQueueBalancer	Queue balancer that just randomly selects a queue in the range [0, num queues).
org.apache.hadoop.hbase.filter.RandomRowFilter	A filter that includes rows based on a chance.
org.apache.hadoop.hbase.quotas.RateLimiter	Simple rate limiter.
org.apache.hadoop.hbase.types.RawByte	An DataType for interacting with values encoded using Bytes.putByte(byte[], int, byte).
org.apache.hadoop.hbase.types.RawBytes	An DataType for interacting with variable-length values encoded using Bytes.putBytes(byte[], int, byte[], int, int).
org.apache.hadoop.hbase.types.RawBytesFixedLength	An DataType that encodes fixed-length values encoded using Bytes.putBytes(byte[], int, byte[], int, int).
org.apache.hadoop.hbase.types.RawBytesTerminated	An DataType that encodes variable-length values encoded using Bytes.putBytes(byte[], int, byte[], int, int).
org.apache.hadoop.hbase.RawCell	An extended version of Cell that allows CPs manipulate Tags.
org.apache.hadoop.hbase.RawCellBuilder	Allows creating a cell with Tag An instance of this type can be acquired by using RegionCoprocessorEnvironment#getCellBuilder (for prod code) and RawCellBuilderFactory (for unit tests).
org.apache.hadoop.hbase.RawCellBuilderFactory	Factory for creating cells for CPs.
org.apache.hadoop.hbase.types.RawDouble	An DataType for interacting with values encoded using Bytes.putDouble(byte[], int, double).
org.apache.hadoop.hbase.types.RawFloat	An DataType for interacting with values encoded using Bytes.putFloat(byte[], int, float).
org.apache.hadoop.hbase.types.RawInteger	An DataType for interacting with values encoded using Bytes.putInt(byte[], int, int).
org.apache.hadoop.hbase.types.RawLong	An DataType for interacting with values encoded using Bytes.putLong(byte[], int, long).
org.apache.hadoop.hbase.regionserver.querymatcher.RawScanQueryMatcher	Query matcher for raw scan.
org.apache.hadoop.hbase.types.RawShort	An DataType for interacting with values encoded using Bytes.putShort(byte[], int, short).
org.apache.hadoop.hbase.types.RawString	An DataType for interacting with values encoded using Bytes.toBytes(String).
org.apache.hadoop.hbase.types.RawStringFixedLength	An DataType that encodes fixed-length values encoded using Bytes.toBytes(String).
org.apache.hadoop.hbase.types.RawStringTerminated	An DataType that encodes variable-length values encoded using Bytes.toBytes(String).
org.apache.hadoop.hbase.io.hfile.ReaderContext	Carries the information on some of the meta data about the HFile Reader
org.apache.hadoop.hbase.io.hfile.ReaderContext.ReaderType
org.apache.hadoop.hbase.io.hfile.ReaderContextBuilder	A builder that helps in building up the ReaderContext
org.apache.hadoop.hbase.util.ReadOnlyByteRangeException	Exception thrown when a read only byte range is modified
org.apache.hadoop.hbase.coprocessor.ReadOnlyConfiguration	Wraps a Configuration to make it read-only.
org.apache.hadoop.hbase.zookeeper.ReadOnlyZKClient	A very simple read only zookeeper implementation without watcher support.
org.apache.hadoop.hbase.regionserver.ReadPointCalculationLock	Lock to manage concurrency between RegionScanner and HRegion.getSmallestReadPoint().
org.apache.hadoop.hbase.regionserver.ReadPointCalculationLock.LockType
org.apache.hadoop.hbase.hbtop.Record	Represents a record of the metrics in the top screen.
org.apache.hadoop.hbase.hbtop.Record.Builder
org.apache.hadoop.hbase.hbtop.Record.Entry
org.apache.hadoop.hbase.hbtop.RecordFilter	Represents a filter that's filtering the metric Records.
org.apache.hadoop.hbase.hbtop.RecordFilter.FilterBuilder
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper	A zookeeper that can handle 'recoverable' errors.
org.apache.hadoop.hbase.util.RecoverLeaseFSUtils	Utility methods for recovering file lease for hdfs.
org.apache.hadoop.hbase.nio.RefCnt	Maintain an reference count integer inside to track life cycle of ByteBuff, if the reference count become 0, it'll call ByteBuffAllocator.Recycler.free() exactly once.
org.apache.hadoop.hbase.io.Reference	A reference to the top or bottom half of a store file where 'bottom' is the first half of the file containing the keys that sort lowest and 'top' is the second half of the file with keys that sort greater than those of the bottom half.
org.apache.hadoop.hbase.util.ReflectedFunctionCache<I,R>	Cache to hold resolved Functions of a specific signature, generated through reflection.
org.apache.hadoop.hbase.util.ReflectionUtils
org.apache.hadoop.hbase.client.example.RefreshHFilesClient	This client class is for invoking the refresh HFile function deployed on the Region Server side via the RefreshHFilesService.
org.apache.hadoop.hbase.filter.RegexStringComparator	This comparator is for use with CompareFilter implementations, such as RowFilter, QualifierFilter, and ValueFilter, for filtering based on the value of a given column.
org.apache.hadoop.hbase.filter.RegexStringComparator.EngineType	Engine implementation type (default=JAVA)
org.apache.hadoop.hbase.regionserver.Region	Region is a subset of HRegion with operations required for the Coprocessors.
org.apache.hadoop.hbase.regionserver.Region.Operation	Operation enum is used in Region.startRegionOperation() and elsewhere to provide context for various checks.
org.apache.hadoop.hbase.regionserver.Region.RowLock	Row lock held by a given thread.
org.apache.hadoop.hbase.client.RegionAdminServiceCallable<T>	Similar to RegionServerCallable but for the AdminService interface.
org.apache.hadoop.hbase.coprocessor.RegionCoprocessor
org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment
org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost	Implements the coprocessor environment and runtime support for coprocessors loaded within a Region.
org.apache.hadoop.hbase.client.RegionCoprocessorServiceExec	Represents a coprocessor service method execution against a single region.
org.apache.hadoop.hbase.RegionException	Thrown when something happens related to region handling.
org.apache.hadoop.hbase.wal.RegionGroupingProvider	A WAL Provider that returns a WAL per group of regions.
org.apache.hadoop.hbase.wal.RegionGroupingProvider.RegionGroupingStrategy	Map identifiers to a group number.
org.apache.hadoop.hbase.client.RegionInfo	Information about a region.
org.apache.hadoop.hbase.client.RegionInfoBuilder
org.apache.hadoop.hbase.client.RegionInfoDisplay	Utility used composing RegionInfo for 'display'; e.g.
org.apache.hadoop.hbase.RegionLoad	Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0 Use RegionMetrics instead.
org.apache.hadoop.hbase.client.RegionLoadStats	POJO representing region server load
org.apache.hadoop.hbase.RegionLocations	Container for holding a list of HRegionLocation's that correspond to the same range.
org.apache.hadoop.hbase.client.RegionLocator	Used to view region location information for a single HBase table.
org.apache.hadoop.hbase.RegionMetrics	Encapsulates per-region load metrics.
org.apache.hadoop.hbase.RegionMetricsBuilder
org.apache.hadoop.hbase.hbtop.mode.RegionModeStrategy	Implementation for ModeStrategy for Region Mode.
org.apache.hadoop.hbase.exceptions.RegionMovedException	Subclass if the server knows the region is now on another server.
org.apache.hadoop.hbase.util.RegionMover	Tool for loading/unloading regions to/from given regionserver This tool can be run from Command line directly as a utility.
org.apache.hadoop.hbase.util.RegionMover.RegionMoverBuilder	Builder for Region mover.
org.apache.hadoop.hbase.coprocessor.RegionObserver	Coprocessors implement this interface to observe and mediate client actions on the region.
org.apache.hadoop.hbase.coprocessor.RegionObserver.MutationType	Mutation type for postMutationBeforeWAL hook
org.apache.hadoop.hbase.client.RegionOfflineException	Thrown when a table can not be located
org.apache.hadoop.hbase.exceptions.RegionOpeningException	Subclass if the server knows the region is now on another server.
org.apache.hadoop.hbase.master.RegionPlacementMaintainer	A tool that is used for manipulating and viewing favored nodes information for regions.
org.apache.hadoop.hbase.master.RegionPlacementMaintainer.RandomizedMatrix	Some algorithms for solving the assignment problem may traverse workers or jobs in linear order which may result in skewing the assignments of the first jobs in the matrix toward the last workers in the matrix if the costs are uniform.
org.apache.hadoop.hbase.master.RegionPlan	Stores the plan for the move of an individual region.
org.apache.hadoop.hbase.master.RegionPlan.RegionPlanComparator
org.apache.hadoop.hbase.client.RegionReplicaUtil	Utility methods which contain the logic for regions and replicas.
org.apache.hadoop.hbase.regionserver.RegionScanner	RegionScanner describes iterators over rows in an HRegion.
org.apache.hadoop.hbase.regionserver.RegionServerAbortedException	Thrown by the region server when it is aborting.
org.apache.hadoop.hbase.regionserver.RegionServerAccounting	RegionServerAccounting keeps record of some basic real time information about the Region Server.
org.apache.hadoop.hbase.client.RegionServerCallable<T,S>	Implementations make a RPC call against a RegionService via a protobuf Service.
org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessor
org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessorEnvironment
org.apache.hadoop.hbase.regionserver.RegionServerCoprocessorHost
org.apache.hadoop.hbase.client.RegionServerCoprocessorRpcChannelImpl	The implementation of a region server based coprocessor rpc channel.
org.apache.hadoop.hbase.master.RegionServerList	For storing the region server list.
org.apache.hadoop.hbase.hbtop.mode.RegionServerModeStrategy	Implementation for ModeStrategy for RegionServer Mode.
org.apache.hadoop.hbase.coprocessor.RegionServerObserver	Defines coprocessor hooks for interacting with operations on the HRegionServer process.
org.apache.hadoop.hbase.client.RegionServerRegistry	Connection registry implementation for region server.
org.apache.hadoop.hbase.quotas.RegionServerRpcQuotaManager	Region Server Quota Manager.
org.apache.hadoop.hbase.regionserver.RegionServerRunningException	Thrown if the region server log directory exists (which indicates another region server is running at the same address)
org.apache.hadoop.hbase.regionserver.RegionServerServices	A curated subset of services provided by HRegionServer.
org.apache.hadoop.hbase.regionserver.RegionServerServices.PostOpenDeployContext	Context for postOpenDeployTasks().
org.apache.hadoop.hbase.regionserver.RegionServerServices.RegionStateTransitionContext
org.apache.hadoop.hbase.quotas.RegionServerSpaceQuotaManager	A manager for filesystem space quotas in the RegionServer.
org.apache.hadoop.hbase.regionserver.RegionServerStoppedException	Thrown by the region server when it is in shutting down state.
org.apache.hadoop.hbase.master.RegionServerTracker	Tracks the online region servers via ZK.
org.apache.hadoop.hbase.regionserver.RegionServicesForStores	Services a Store needs from a Region.
org.apache.hadoop.hbase.quotas.RegionSize	Interface that encapsulates optionally sending a Region's size to the master.
org.apache.hadoop.hbase.mapreduce.RegionSizeCalculator	Computes size of each region for given table and given column families.
org.apache.hadoop.hbase.quotas.RegionSizeImpl	An object encapsulating a Region's size and whether it's been reported to the master since the value last changed.
org.apache.hadoop.hbase.quotas.RegionSizeReportingChore	A Chore which sends the region size reports on this RegionServer to the Master.
org.apache.hadoop.hbase.quotas.RegionSizeStore	An interface for concurrently storing and updating the size of a Region.
org.apache.hadoop.hbase.quotas.RegionSizeStoreFactory	A factory class for creating implementations of RegionSizeStore.
org.apache.hadoop.hbase.quotas.RegionSizeStoreImpl	A RegionSizeStore implementation backed by a ConcurrentHashMap.
org.apache.hadoop.hbase.util.RegionSplitCalculator<R extends org.apache.hadoop.hbase.util.KeyRange>	This is a generic region split calculator.
org.apache.hadoop.hbase.regionserver.RegionSplitPolicy	A split policy determines when a Region should be split.
org.apache.hadoop.hbase.regionserver.RegionSplitRestriction	A split restriction that restricts the pattern of the split point.
org.apache.hadoop.hbase.util.RegionSplitter	The RegionSplitter class provides several utilities to help in the administration lifecycle for developers who choose to manually split regions instead of having HBase handle that automatically.
org.apache.hadoop.hbase.util.RegionSplitter.DecimalStringSplit	The format of a DecimalStringSplit region boundary is the ASCII representation of reversed sequential number, or any other uniformly distributed decimal value.
org.apache.hadoop.hbase.util.RegionSplitter.HexStringSplit	HexStringSplit is a well-known RegionSplitter.SplitAlgorithm for choosing region boundaries.
org.apache.hadoop.hbase.util.RegionSplitter.NumberStringSplit
org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm	A generic interface for the RegionSplitter code to use for all it's functionality.
org.apache.hadoop.hbase.util.RegionSplitter.UniformSplit	A SplitAlgorithm that divides the space of possible keys evenly.
org.apache.hadoop.hbase.master.RegionsRecoveryChore	This chore, every time it runs, will try to recover regions with high store ref count by reopening them
org.apache.hadoop.hbase.master.RegionsRecoveryConfigManager	Config manager for RegionsRecovery Chore - Dynamically reload config and update chore accordingly
org.apache.hadoop.hbase.rest.RegionsResource
org.apache.hadoop.hbase.master.RegionState	State of a Region while undergoing transitions.
org.apache.hadoop.hbase.master.RegionState.State
org.apache.hadoop.hbase.RegionStateListener	The listener interface for receiving region state events.
org.apache.hadoop.hbase.client.RegionStatesCount
org.apache.hadoop.hbase.client.RegionStatesCount.RegionStatesCountBuilder
org.apache.hadoop.hbase.RegionTooBusyException	Thrown by a region server if it will block and wait to serve a request.
org.apache.hadoop.hbase.ipc.RemoteWithExtrasException	A RemoteException with some extra information.
org.apache.hadoop.hbase.client.replication.ReplicationAdmin	Deprecated. use Admin instead.
org.apache.hadoop.hbase.util.hbck.ReplicationChecker	Check and fix undeleted replication queues for removed peerId.
org.apache.hadoop.hbase.replication.ReplicationEndpoint	ReplicationEndpoint is a plugin which implements replication to other HBase clusters, or other systems.
org.apache.hadoop.hbase.replication.ReplicationEndpoint.Context
org.apache.hadoop.hbase.replication.ReplicationEndpoint.ReplicateContext	A context for ReplicationEndpoint.replicate(ReplicateContext) method.
org.apache.hadoop.hbase.replication.ReplicationException	An HBase Replication exception.
org.apache.hadoop.hbase.replication.ReplicationFactory	A factory class for instantiating replication objects that deal with replication state.
org.apache.hadoop.hbase.replication.ReplicationListener	The replication listener interface can be implemented if a class needs to subscribe to events generated by the ReplicationTracker.
org.apache.hadoop.hbase.replication.ReplicationLoadSink	A HBase ReplicationLoad to present MetricsSink information
org.apache.hadoop.hbase.replication.ReplicationLoadSink.ReplicationLoadSinkBuilder
org.apache.hadoop.hbase.replication.ReplicationLoadSource	A HBase ReplicationLoad to present MetricsSource information
org.apache.hadoop.hbase.replication.ReplicationLoadSource.ReplicationLoadSourceBuilder
org.apache.hadoop.hbase.replication.ReplicationPeer	ReplicationPeer manages enabled / disabled state for the peer.
org.apache.hadoop.hbase.replication.ReplicationPeer.PeerState	State of the peer, whether it is enabled or not
org.apache.hadoop.hbase.replication.ReplicationPeerConfig	A configuration for the replication peer cluster.
org.apache.hadoop.hbase.replication.ReplicationPeerConfigBuilder	For creating ReplicationPeerConfig.
org.apache.hadoop.hbase.replication.ReplicationPeerConfigListener
org.apache.hadoop.hbase.client.replication.ReplicationPeerConfigUtil	Helper for TableCFs Operations.
org.apache.hadoop.hbase.replication.ReplicationPeerDescription	The POJO equivalent of ReplicationProtos.ReplicationPeerDescription
org.apache.hadoop.hbase.replication.ReplicationPeerImpl
org.apache.hadoop.hbase.ReplicationPeerNotFoundException	Thrown when a replication peer can not be found
org.apache.hadoop.hbase.replication.ReplicationPeers	This provides an class for maintaining a set of peer clusters.
org.apache.hadoop.hbase.replication.ReplicationPeerStorage	Perform read/write to the replication peer storage.
org.apache.hadoop.hbase.replication.ReplicationPeerStorageType	Specify the implementations for ReplicationPeerStorage.
org.apache.hadoop.hbase.replication.ReplicationQueueInfo	This class is responsible for the parsing logic for a queue id representing a queue.
org.apache.hadoop.hbase.replication.ReplicationQueueStorage	Perform read/write to the replication queue storage.
org.apache.hadoop.hbase.regionserver.ReplicationService	Gateway to Cluster Replication.
org.apache.hadoop.hbase.regionserver.ReplicationSinkService	A sink for a replication stream has to expose this service.
org.apache.hadoop.hbase.replication.ReplicationSinkServiceImpl
org.apache.hadoop.hbase.regionserver.ReplicationSourceService	A source for a replication stream has to expose this service.
org.apache.hadoop.hbase.replication.ReplicationStorageFactory	Used to create replication storage(peer, queue) classes.
org.apache.hadoop.hbase.replication.ReplicationUtils	Helper class for replication.
org.apache.hadoop.hbase.client.RequestController	An interface for client request scheduling algorithm.
org.apache.hadoop.hbase.client.RequestController.Checker	Picks up the valid data.
org.apache.hadoop.hbase.client.RequestController.ReturnCode
org.apache.hadoop.hbase.client.RequestControllerFactory	A factory class that constructs an RequestController.
org.apache.hadoop.hbase.shaded.protobuf.RequestConverter	Helper utility to build protocol buffer requests, or build components for protocol buffer requests.
org.apache.hadoop.hbase.hbtop.mode.RequestCountPerSecond	Utility class for calculating request counts per second.
org.apache.hadoop.hbase.exceptions.RequestTooBigException	Thrown when the size of the rpc request received by the server is too large.
org.apache.hadoop.hbase.util.ReservoirSample<T>	The simple version of reservoir sampling implementation.
org.apache.hadoop.hbase.io.hfile.ResizableBlockCache	BlockCache which is resizable.
org.apache.hadoop.hbase.rest.ResourceBase
org.apache.hadoop.hbase.rest.client.Response	The HTTP result code, response headers, and body of an HTTP response.
org.apache.hadoop.hbase.shaded.protobuf.ResponseConverter	Helper utility to build protocol buffer responses, or retrieve data from protocol buffer responses.
org.apache.hadoop.hbase.http.jersey.ResponseEntityMapper	Generate a uniform response wrapper around the Entity returned from the resource.
org.apache.hadoop.hbase.rest.RESTDumpServlet
org.apache.hadoop.hbase.backup.RestoreDriver	Command-line entry point for restore operation
org.apache.hadoop.hbase.backup.RestoreJob	Restore operation job interface Concrete implementation is provided by backup provider, see BackupRestoreFactory
org.apache.hadoop.hbase.backup.RestoreRequest	POJO class for restore request
org.apache.hadoop.hbase.backup.RestoreRequest.Builder
org.apache.hadoop.hbase.snapshot.RestoreSnapshotException	Thrown when a snapshot could not be restored due to a server-side error when restoring it.
org.apache.hadoop.hbase.snapshot.RestoreSnapshotHelper	Helper to Restore/Clone a Snapshot
org.apache.hadoop.hbase.snapshot.RestoreSnapshotHelper.RestoreMetaChanges	Describe the set of operations needed to update hbase:meta after restore.
org.apache.hadoop.hbase.rest.RESTServer	Main class for launching REST gateway as a servlet hosted by Jetty.
org.apache.hadoop.hbase.rest.RESTServlet	Singleton class encapsulating global REST servlet state and functions.
org.apache.hadoop.hbase.rest.RESTServletContainer	REST servlet container.
org.apache.hadoop.hbase.client.Result	Single row result of a Get or Scan query.
org.apache.hadoop.hbase.client.ResultBoundedCompletionService<V>	A completion service for the RpcRetryingCallerFactory.
org.apache.hadoop.hbase.rest.ResultGenerator
org.apache.hadoop.hbase.client.ResultScanner	Interface for client-side scanning.
org.apache.hadoop.hbase.mapreduce.ResultSerialization
org.apache.hadoop.hbase.client.ResultStatsUtil	Statistics update about a server/region
org.apache.hadoop.hbase.client.RetriesExhaustedException	Exception thrown by HTable methods when an attempt to do something (like commit changes) fails after a bunch of retries.
org.apache.hadoop.hbase.client.RetriesExhaustedException.ThrowableWithExtraContext	Data structure that allows adding more info around Throwable incident.
org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException	This subclass of RetriesExhaustedException is thrown when we have more information about which rows were causing which exceptions on what servers.
org.apache.hadoop.hbase.util.RetryCounter	Operation retry accounting.
org.apache.hadoop.hbase.util.RetryCounter.BackoffPolicy	Policy for calculating sleeping intervals between retry attempts
org.apache.hadoop.hbase.util.RetryCounter.ExponentialBackoffPolicy
org.apache.hadoop.hbase.util.RetryCounter.ExponentialBackoffPolicyWithLimit
org.apache.hadoop.hbase.util.RetryCounter.RetryConfig	Configuration for a retry counter
org.apache.hadoop.hbase.util.RetryCounterFactory
org.apache.hadoop.hbase.RetryImmediatelyException
org.apache.hadoop.hbase.client.RetryingCallable<T>	A Callable<T> that will be retried.
org.apache.hadoop.hbase.io.compress.ReusableStreamGzipCodec	Fixes an inefficiency in Hadoop's Gzip codec, allowing to reuse compression streams.
org.apache.hadoop.hbase.io.compress.ReusableStreamGzipCodec.ReusableGzipOutputStream	A bridge that wraps around a DeflaterOutputStream to make it a CompressionOutputStream.
org.apache.hadoop.hbase.client.ReversedClientScanner	A reversed client scanner which support backward scanning
org.apache.hadoop.hbase.regionserver.ReversedKeyValueHeap	ReversedKeyValueHeap is used for supporting reversed scanning.
org.apache.hadoop.hbase.regionserver.ReversedMobStoreScanner	ReversedMobStoreScanner extends from ReversedStoreScanner, and is used to support reversed scanning in both the memstore and the MOB store.
org.apache.hadoop.hbase.client.ReversedScannerCallable	A reversed ScannerCallable which supports backward scanning.
org.apache.hadoop.hbase.regionserver.ReversedStoreScanner	ReversedStoreScanner extends from StoreScanner, and is used to support reversed scanning.
org.apache.hadoop.hbase.util.RollingStatCalculator	This class maintains mean and variation for any sequence of input provided to it.
org.apache.hadoop.hbase.rest.RootResource
org.apache.hadoop.hbase.util.RotateFile	A file storage which supports atomic update through two files, i.e, rotating.
org.apache.hadoop.hbase.mapreduce.RoundRobinTableInputFormat	Process the return from super-class TableInputFormat (TIF) so as to undo any clumping of InputSplits around RegionServers.
org.apache.hadoop.hbase.client.Row	Has a row.
org.apache.hadoop.hbase.client.RowAccess<T>	Provide a way to access the inner buffer.
org.apache.hadoop.hbase.util.RowBloomContext	Handles ROW bloom related context.
org.apache.hadoop.hbase.util.RowBloomHashKey
org.apache.hadoop.hbase.util.RowColBloomContext	Handles ROWCOL bloom related context.
org.apache.hadoop.hbase.util.RowColBloomHashKey	An hash key for ROWCOL bloom.
org.apache.hadoop.hbase.mapred.RowCounter	A job with a map to count rows.
org.apache.hadoop.hbase.mapreduce.RowCounter	A job with a just a map phase to count rows.
org.apache.hadoop.hbase.filter.RowFilter	This filter is used to filter based on the key.
org.apache.hadoop.hbase.io.encoding.RowIndexCodecV1	Store cells following every row's start offset, so we can binary search to a row's cells.
org.apache.hadoop.hbase.io.encoding.RowIndexEncoderV1
org.apache.hadoop.hbase.io.encoding.RowIndexSeekerV1
org.apache.hadoop.hbase.client.RowMutations	Performs multiple mutations atomically on a single row.
org.apache.hadoop.hbase.util.RowPrefixFixedLengthBloomContext	Handles ROWPREFIX bloom related context.
org.apache.hadoop.hbase.regionserver.RowProcessor<S extends com.google.protobuf.Message,T extends com.google.protobuf.Message>	Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0.
org.apache.hadoop.hbase.rest.RowResource
org.apache.hadoop.hbase.rest.RowResultGenerator
org.apache.hadoop.hbase.rest.RowSpec	Parses a path based row/column/timestamp specification into its component elements.
org.apache.hadoop.hbase.client.RowTooBigException	Gets or Scans throw this exception if running without in-row scan flag set and row size appears to exceed max configured size (configurable via hbase.table.max.rowsize).
org.apache.hadoop.hbase.regionserver.RowTooBigException	Deprecated. since 0.99.0.
org.apache.hadoop.hbase.ipc.RpcCall	Interface of all necessary to carry out a RPC method invocation on the server.
org.apache.hadoop.hbase.ipc.RpcCallback	Denotes a callback action that has to be executed at the end of an Rpc Call.
org.apache.hadoop.hbase.ipc.RpcCallContext	Interface of all necessary to carry out a RPC service invocation on the server.
org.apache.hadoop.hbase.ipc.RpcClient	Interface for RpcClient implementations so ConnectionManager can handle it.
org.apache.hadoop.hbase.ipc.RpcClientFactory	Factory to create a RpcClient
org.apache.hadoop.hbase.ipc.RpcConnectionConstants	Constants to be used by RPC connection based utilities.
org.apache.hadoop.hbase.client.RpcConnectionRegistry	Rpc based connection registry.
org.apache.hadoop.hbase.ipc.RpcControllerFactory	Factory to create a HBaseRpcController
org.apache.hadoop.hbase.ipc.RpcExecutor	Runs the CallRunners passed here via RpcExecutor.dispatch(CallRunner).
org.apache.hadoop.hbase.ipc.RpcHandler	Thread to handle rpc call.
org.apache.hadoop.hbase.namequeues.RpcLogDetails	RpcCall details that would be passed on to ring buffer of slow log responses
org.apache.hadoop.hbase.client.RpcRetryingCaller<T>
org.apache.hadoop.hbase.client.RpcRetryingCallerFactory	Factory to create an RpcRetryingCaller
org.apache.hadoop.hbase.client.RpcRetryingCallerImpl<T>	Runs an rpc'ing RetryingCallable.
org.apache.hadoop.hbase.client.RpcRetryingCallerWithReadReplicas	Caller that goes to replica if the primary region does no answer within a configurable timeout.
org.apache.hadoop.hbase.ipc.RpcScheduler	An interface for RPC request scheduling algorithm.
org.apache.hadoop.hbase.ipc.RpcScheduler.Context	Exposes runtime information of a RpcServer that a RpcScheduler may need.
org.apache.hadoop.hbase.regionserver.RpcSchedulerFactory	A factory class that constructs an RpcScheduler.
org.apache.hadoop.hbase.ipc.RpcServer	An RPC server that hosts protobuf described Services.
org.apache.hadoop.hbase.ipc.RpcServer.BlockingServiceAndInterface	Datastructure for passing a BlockingService and its associated class of protobuf service interface.
org.apache.hadoop.hbase.ipc.RpcServer.CallCleanup
org.apache.hadoop.hbase.ipc.RpcServerFactory
org.apache.hadoop.hbase.ipc.RpcServerInterface
org.apache.hadoop.hbase.quotas.RpcThrottleStorage	ZK based rpc throttle storage.
org.apache.hadoop.hbase.quotas.RpcThrottlingException	Describe the throttling result.
org.apache.hadoop.hbase.quotas.RpcThrottlingException.Type
org.apache.hadoop.hbase.regionserver.http.RSDumpServlet
org.apache.hadoop.hbase.rsgroup.RSGroupableBalancer	Marker Interface.
org.apache.hadoop.hbase.rsgroup.RSGroupAdmin	Group user API interface used between client and server.
org.apache.hadoop.hbase.rsgroup.RSGroupAdminClient	Client used for managing region server group information.
org.apache.hadoop.hbase.rsgroup.RSGroupAdminEndpoint
org.apache.hadoop.hbase.rsgroup.RSGroupAdminServer	Service to support Region Server Grouping (HBase-6721).
org.apache.hadoop.hbase.rsgroup.RSGroupBasedLoadBalancer	GroupBasedLoadBalancer, used when Region Server Grouping is configured (HBase-6721) It does region balance based on a table's group membership.
org.apache.hadoop.hbase.rsgroup.RSGroupInfo	Stores the group information of region server groups.
org.apache.hadoop.hbase.rsgroup.RSGroupInfoManager	Interface used to manage RSGroupInfo storage.
org.apache.hadoop.hbase.rsgroup.RSGroupMajorCompactionTTL	This script takes an rsgroup as argument and compacts part/all of regions of that table based on the table's TTL.
org.apache.hadoop.hbase.RSGroupTableAccessor	Read rs group information from hbase:rsgroup.
org.apache.hadoop.hbase.rsgroup.RSGroupUtil	Helper class for RSGroup implementation
org.apache.hadoop.hbase.mob.RSMobFileCleanerChore	The class RSMobFileCleanerChore for running cleaner regularly to remove the obsolete (files which have no active references to) mob files that were referenced from the current RS.
org.apache.hadoop.hbase.regionserver.RSRpcServices	Implements the regionserver RPC services.
org.apache.hadoop.hbase.regionserver.RSSnapshotVerifier	Used by SnapshotVerifyProcedure to verify if the region info and store file info in RegionManifest are intact.
org.apache.hadoop.hbase.regionserver.http.RSStatusServlet
org.apache.hadoop.hbase.ipc.RWQueueRpcExecutor	RPC Executor that uses different queues for reads and writes.
org.apache.hadoop.hbase.mapreduce.SampleUploader	Sample Uploader MapReduce
org.apache.hadoop.hbase.security.SaslChallengeDecoder	Decode the sasl challenge sent by RpcServer.
org.apache.hadoop.hbase.security.SaslStatus
org.apache.hadoop.hbase.security.SaslUnwrapHandler	Unwrap sasl messages.
org.apache.hadoop.hbase.security.SaslUnwrapHandler.Unwrapper
org.apache.hadoop.hbase.security.SaslUtil
org.apache.hadoop.hbase.security.SaslUtil.QualityOfProtection
org.apache.hadoop.hbase.security.SaslWrapHandler	wrap sasl messages.
org.apache.hadoop.hbase.security.SaslWrapHandler.Wrapper
org.apache.hadoop.hbase.client.Scan	Used to perform Scan operations.
org.apache.hadoop.hbase.client.Scan.ReadType
org.apache.hadoop.hbase.regionserver.querymatcher.ScanDeleteTracker	This class is responsible for the tracking and enforcement of Deletes during the course of a Scan operation.
org.apache.hadoop.hbase.regionserver.ScanInfo	Immutable information for scans over a store.
org.apache.hadoop.hbase.client.ScannerCallable	Scanner operations such as create, next, etc.
org.apache.hadoop.hbase.regionserver.ScannerContext	ScannerContext instances encapsulate limit tracking AND progress towards those limits during invocations of InternalScanner.next(java.util.List) and InternalScanner.next(java.util.List).
org.apache.hadoop.hbase.regionserver.ScannerContext.Builder
org.apache.hadoop.hbase.regionserver.ScannerContext.LimitScope	The various scopes where a limit can be enforced.
org.apache.hadoop.hbase.regionserver.ScannerContext.NextState	The possible states a scanner may be in following a call to InternalScanner.next(List)
org.apache.hadoop.hbase.regionserver.ScannerIdGenerator	Generate a new style scanner id to prevent collision with previous started server or other RSs.
org.apache.hadoop.hbase.rest.ScannerInstanceResource
org.apache.hadoop.hbase.exceptions.ScannerResetException	Thrown when the server side has received an Exception, and asks the Client to reset the scanner state by closing the current region scanner, and reopening from the start of last seen row.
org.apache.hadoop.hbase.rest.ScannerResource
org.apache.hadoop.hbase.rest.ScannerResultGenerator
org.apache.hadoop.hbase.regionserver.ScanOptions	This class gives you the ability to change the max versions and TTL options before opening a scanner for a Store.
org.apache.hadoop.hbase.regionserver.querymatcher.ScanQueryMatcher	A query matcher that is specifically designed for the scan case.
org.apache.hadoop.hbase.regionserver.querymatcher.ScanQueryMatcher.MatchCode	ScanQueryMatcher.match(org.apache.hadoop.hbase.Cell) return codes.
org.apache.hadoop.hbase.client.ScanResultConsumer	Receives Result for an asynchronous scan.
org.apache.hadoop.hbase.client.ScanResultConsumerBase	The base interface for scan result consumer.
org.apache.hadoop.hbase.regionserver.ScanType	Enum to distinguish general scan types.
org.apache.hadoop.hbase.regionserver.querymatcher.ScanWildcardColumnTracker	Keeps track of the columns for a scan if they are not explicitly specified
org.apache.hadoop.hbase.ScheduledChore	ScheduledChore is a task performed on a period in hbase.
org.apache.hadoop.hbase.rest.SchemaResource
org.apache.hadoop.hbase.replication.ScopeWALEntryFilter	Keeps KVs that are scoped other than local
org.apache.hadoop.hbase.hbtop.screen.Screen	This dispatches key presses and timers to the current ScreenView.
org.apache.hadoop.hbase.hbtop.terminal.impl.ScreenBuffer	Represents a buffer of the terminal screen for double-buffering.
org.apache.hadoop.hbase.hbtop.screen.ScreenView	An interface for a screen view that handles key presses and timers.
org.apache.hadoop.hbase.client.SecureBulkLoadClient	Client proxy for SecureBulkLoadProtocol
org.apache.hadoop.hbase.regionserver.SecureBulkLoadManager	Bulk loads in secure mode.
org.apache.hadoop.hbase.regionserver.wal.SecureWALCellCodec	A WALCellCodec that encrypts the WALedits.
org.apache.hadoop.hbase.client.security.SecurityCapability	Available security capabilities
org.apache.hadoop.hbase.security.SecurityConstants	SecurityConstants holds a bunch of kerberos-related constants
org.apache.hadoop.hbase.http.SecurityHeadersFilter
org.apache.hadoop.hbase.security.SecurityInfo	Maps RPC protocol interfaces to required configuration
org.apache.hadoop.hbase.ipc.SecurityNotEnabledException	Will be thrown when server received a security preamble call for asking the server principal but security is not enabled for this server.
org.apache.hadoop.hbase.security.SecurityUtil	Security related generic utility methods.
org.apache.hadoop.hbase.regionserver.Segment	This is an abstraction of a segment maintained in a memstore, e.g., the active cell set or its snapshot.
org.apache.hadoop.hbase.regionserver.SegmentFactory	A singleton store segment factory.
org.apache.hadoop.hbase.regionserver.SegmentScanner	A scanner of a single memstore segment.
org.apache.hadoop.hbase.regionserver.SequenceId	Interface which abstracts implementations on log sequenceId assignment
org.apache.hadoop.hbase.Server	Defines a curated set of shared functions implemented by HBase servers (Masters and RegionServers).
org.apache.hadoop.hbase.ipc.ServerCall<T extends org.apache.hadoop.hbase.ipc.ServerRpcConnection>	Datastructure that holds all necessary to a method invocation and then afterward, carries the result.
org.apache.hadoop.hbase.util.ServerCommandLine	Base class for command lines that start up various HBase daemons.
org.apache.hadoop.hbase.http.ServerConfigurationKeys	This interface contains constants for configuration keys used in the hbase http server code.
org.apache.hadoop.hbase.client.ServerConnectionUtils
org.apache.hadoop.hbase.client.ServerConnectionUtils.ShortCircuitingClusterConnection	A ClusterConnection that will short-circuit RPC making direct invocations against the localhost if the invocation target is 'this' server; save on network and protobuf invocations.
org.apache.hadoop.hbase.master.ServerListener	Get notification of server registration events.
org.apache.hadoop.hbase.ServerLoad	Deprecated. As of release 2.0.0, this will be removed in HBase 3.0.0 Use ServerMetrics instead.
org.apache.hadoop.hbase.master.ServerManager	The ServerManager class manages info about region servers.
org.apache.hadoop.hbase.master.ServerManager.ServerLiveState
org.apache.hadoop.hbase.ServerMetrics	This class is used for exporting current state of load on a RegionServer.
org.apache.hadoop.hbase.ServerMetricsBuilder
org.apache.hadoop.hbase.ServerName	Name of a particular incarnation of an HBase Server.
org.apache.hadoop.hbase.regionserver.ServerNonceManager	Implementation of nonce manager that stores nonces in a hash map and cleans them up after some time; if nonce group/client ID is supplied, nonces are stored by client ID.
org.apache.hadoop.hbase.ipc.ServerNotRunningYetException
org.apache.hadoop.hbase.util.ServerRegionReplicaUtil	Similar to RegionReplicaUtil but for the server side
org.apache.hadoop.hbase.ipc.ServerRpcController	Used for server-side protobuf RPC service invocations.
org.apache.hadoop.hbase.client.backoff.ServerStatistics	Track the statistics for a single region
org.apache.hadoop.hbase.client.backoff.ServerStatistics.RegionStatistics
org.apache.hadoop.hbase.client.ServerStatisticTracker	Tracks the statistics for multiple regions
org.apache.hadoop.hbase.ServerTask	Information about active monitored server tasks
org.apache.hadoop.hbase.ServerTask.State	Task state
org.apache.hadoop.hbase.ServerTaskBuilder	Builder for information about active monitored server tasks
org.apache.hadoop.hbase.ipc.ServerTooBusyException	Throw this in RPC call if there are too many pending requests for one region server
org.apache.hadoop.hbase.client.ServerType	Select server type i.e destination for RPC request associated with ring buffer.
org.apache.hadoop.hbase.client.ServiceCaller<S,R>	Delegate to a protobuf rpc call.
org.apache.hadoop.hbase.ServiceNotRunningException
org.apache.hadoop.hbase.SharedConnection	Wraps a Connection to make it can't be closed or aborted.
org.apache.hadoop.hbase.io.hfile.SharedMemHFileBlock	The ByteBuffAllocator won't allocate pooled heap ByteBuff now; at the same time, if allocate an off-heap ByteBuff from allocator, then it must be a pooled one.
org.apache.hadoop.hbase.regionserver.Shipper	This interface denotes a scanner as one which can ship cells.
org.apache.hadoop.hbase.regionserver.ShipperListener	Implementors of this interface are the ones who needs to do some action when the Shipper.shipped() is called
org.apache.hadoop.hbase.client.ShortCircuitMasterConnection	A short-circuit connection that can bypass the RPC layer (serialization, deserialization, networking, etc..) when talking to a local master
org.apache.hadoop.hbase.regionserver.ShutdownHook	Manage regionserver shutdown hooks.
org.apache.hadoop.hbase.util.ShutdownHookManager	This class provides ShutdownHookManager shims for HBase to interact with the Hadoop 1.0.x and the Hadoop 2.0+ series.
org.apache.hadoop.hbase.util.SimpleByteRange	A read only version of the ByteRange.
org.apache.hadoop.hbase.util.SimpleMovingAverage<T>	SMA measure the overall average execution time of a specific method.
org.apache.hadoop.hbase.util.SimpleMutableByteRange	A basic mutable ByteRange implementation.
org.apache.hadoop.hbase.util.SimplePositionedByteRange	Extends the basic SimpleMutableByteRange implementation with position support and it is a readonly version.
org.apache.hadoop.hbase.util.SimplePositionedMutableByteRange	Extends the basic AbstractPositionedByteRange implementation with position support and it is a mutable version.
org.apache.hadoop.hbase.ipc.SimpleRpcScheduler	The default scheduler.
org.apache.hadoop.hbase.regionserver.SimpleRpcSchedulerFactory	Constructs a SimpleRpcScheduler.
org.apache.hadoop.hbase.ipc.SimpleRpcServer	Deprecated.
org.apache.hadoop.hbase.mapreduce.SimpleTotalOrderPartitioner<VALUE>	A partitioner that takes start and end keys and uses bigdecimal to figure which reduce a key belongs to.
org.apache.hadoop.hbase.nio.SingleByteBuff	An implementation of ByteBuff where a single BB backs the BBI.
org.apache.hadoop.hbase.filter.SingleColumnValueExcludeFilter	A Filter that checks a single column value, but does not emit the tested column.
org.apache.hadoop.hbase.filter.SingleColumnValueFilter	This filter is used to filter cells based on value.
org.apache.hadoop.hbase.client.SingleResponse	Class for single action response
org.apache.hadoop.hbase.client.SingleResponse.Entry
org.apache.hadoop.hbase.coprocessor.SingletonCoprocessorService	Deprecated. Since 2.0.
org.apache.hadoop.hbase.Size	It is used to represent the size with different units.
org.apache.hadoop.hbase.Size.Unit
org.apache.hadoop.hbase.SizeCachedByteBufferKeyValue	This Cell is an implementation of ByteBufferExtendedCell where the data resides in off heap/ on heap ByteBuffer
org.apache.hadoop.hbase.SizeCachedKeyValue	This class is an extension to KeyValue where rowLen and keyLen are cached.
org.apache.hadoop.hbase.SizeCachedNoTagsByteBufferKeyValue	This Cell is an implementation of ByteBufferExtendedCell where the data resides in off heap/ on heap ByteBuffer
org.apache.hadoop.hbase.SizeCachedNoTagsKeyValue	This class is an extension to ContentSizeCachedKeyValue where there are no tags in Cell.
org.apache.hadoop.hbase.io.SizedCellScanner	A CellScanner that knows its size in memory in bytes.
org.apache.hadoop.hbase.filter.SkipFilter	A wrapper filter that filters an entire row if any of the Cell checks do not pass.
org.apache.hadoop.hbase.util.Sleeper	Sleeper for current thread.
org.apache.hadoop.hbase.client.SlowLogParams	SlowLog params object that contains detailed info as params and region name : to be used for filter purpose
org.apache.hadoop.hbase.namequeues.SlowLogPersistentService	Persistent service provider for Slow/LargeLog events
org.apache.hadoop.hbase.namequeues.impl.SlowLogQueueService	In-memory Queue service provider for Slow/LargeLog events
org.apache.hadoop.hbase.slowlog.SlowLogTableAccessor	Slowlog Accessor to record slow/large RPC log identified at each RegionServer RpcServer level.
org.apache.hadoop.hbase.metrics.Snapshot	A statictical sample of histogram values.
org.apache.hadoop.hbase.snapshot.SnapshotCreationException	Thrown when a snapshot could not be created due to a server-side error when taking the snapshot.
org.apache.hadoop.hbase.client.SnapshotDescription	The POJO equivalent of HBaseProtos.SnapshotDescription
org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils	Utility class to help manage SnapshotDesriptions.
org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils.CompletedSnaphotDirectoriesFilter	Filter that only accepts completed snapshot directories
org.apache.hadoop.hbase.snapshot.SnapshotDoesNotExistException	Thrown when the server is looking for a snapshot, but can't find the snapshot on the filesystem.
org.apache.hadoop.hbase.snapshot.SnapshotExistsException	Thrown when a snapshot exists, but should not.
org.apache.hadoop.hbase.snapshot.SnapshotInfo	Tool for dumping snapshot information.
org.apache.hadoop.hbase.snapshot.SnapshotInfo.SnapshotStats	Statistics about the snapshot How many store files and logs are in the archive How many store files and logs are shared with the table Total store files and logs size and shared amount
org.apache.hadoop.hbase.snapshot.SnapshotManifest	Utility class to help read/write the Snapshot Manifest.
org.apache.hadoop.hbase.snapshot.SnapshotManifestV1	DO NOT USE DIRECTLY.
org.apache.hadoop.hbase.snapshot.SnapshotManifestV2	DO NOT USE DIRECTLY.
org.apache.hadoop.hbase.master.SnapshotOfRegionAssignmentFromMeta	Used internally for reading meta and constructing datastructures that are then queried, for things like regions to regionservers, table to regions, etc.
org.apache.hadoop.hbase.quotas.SnapshotQuotaObserverChore	A Master-invoked Chore that computes the size of each snapshot which was created from a table which has a space quota.
org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil	Utility methods for interacting with the snapshot referenced files.
org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil.SnapshotVisitor
org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil.StoreFileVisitor
org.apache.hadoop.hbase.regionserver.SnapshotRegionCallable
org.apache.hadoop.hbase.regionserver.SnapshotSegmentScanner	A basic SegmentScanner used against an ImmutableScanner snapshot Used flushing where we do a single pass, no reverse scanning or inserts happening.
org.apache.hadoop.hbase.master.SnapshotSentinel	Watch the current snapshot under process
org.apache.hadoop.hbase.snapshot.SnapshotTTLExpiredException	Thrown when a snapshot could not be restored/cloned because the ttl for snapshot has already expired
org.apache.hadoop.hbase.client.SnapshotType	POJO representing the snapshot type
org.apache.hadoop.hbase.regionserver.SnapshotVerifyCallable
org.apache.hadoop.hbase.util.SoftObjectPool<K,V>	A SoftReference based shared object pool.
org.apache.hadoop.hbase.util.SortedList<E>	Simple sorted list implementation that uses ArrayList as the underlying collection so we can support RandomAccess.
org.apache.hadoop.hbase.quotas.SpaceLimitingException	An Exception that is thrown when a space quota is in violation.
org.apache.hadoop.hbase.quotas.SpaceQuotaRefresherChore	A ScheduledChore which periodically updates the RegionServerSpaceQuotaManager with information from the hbase:quota.
org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot	A point-in-time view of a space quota on a table.
org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot.SpaceQuotaStatus	Encapsulates the state of a quota on a table.
org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshotNotifier	An interface which abstract away the action taken to enable or disable a space quota violation policy across the HBase cluster.
org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshotNotifierFactory	Factory for creating SpaceQuotaSnapshotNotifier implementations.
org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshotView	A point-in-time view of a space quota on a table, read only.
org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshotView.SpaceQuotaStatusView	Encapsulates the state of a quota on a table.
org.apache.hadoop.hbase.quotas.SpaceViolationPolicy	Enumeration that represents the action HBase will take when a space quota is violated.
org.apache.hadoop.hbase.quotas.SpaceViolationPolicyEnforcement	RegionServer implementation of SpaceViolationPolicy.
org.apache.hadoop.hbase.quotas.SpaceViolationPolicyEnforcementFactory	A factory class for instantiating SpaceViolationPolicyEnforcement instances.
org.apache.hadoop.hbase.SplitLogCounters	Deprecated. since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based distributed WAL splitter, see SplitWALManager
org.apache.hadoop.hbase.master.SplitLogManager	Deprecated. since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based distributed WAL splitter, see SplitWALManager.
org.apache.hadoop.hbase.master.SplitLogManager.ResubmitDirective
org.apache.hadoop.hbase.master.SplitLogManager.Task	in memory state of an active task.
org.apache.hadoop.hbase.master.SplitLogManager.TaskBatch	Keeps track of the batch of tasks submitted together by a caller in splitLogDistributed().
org.apache.hadoop.hbase.master.SplitLogManager.TerminationStatus
org.apache.hadoop.hbase.coordination.SplitLogManagerCoordination	Deprecated. since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based distributed WAL splitter, see SplitWALManager
org.apache.hadoop.hbase.coordination.SplitLogManagerCoordination.SplitLogManagerDetails	Detail class that shares data between coordination and split log manager
org.apache.hadoop.hbase.SplitLogTask	Deprecated. since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based distributed WAL splitter, see SplitWALManager
org.apache.hadoop.hbase.SplitLogTask.Done
org.apache.hadoop.hbase.SplitLogTask.Err
org.apache.hadoop.hbase.SplitLogTask.Owned
org.apache.hadoop.hbase.SplitLogTask.Resigned
org.apache.hadoop.hbase.SplitLogTask.Unassigned
org.apache.hadoop.hbase.regionserver.SplitLogWorker	Deprecated. since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based distributed WAL splitter, see SplitWALRemoteProcedure
org.apache.hadoop.hbase.regionserver.SplitLogWorker.TaskExecutor	Objects implementing this interface actually do the task that has been acquired by a SplitLogWorker.
org.apache.hadoop.hbase.regionserver.SplitLogWorker.TaskExecutor.Status
org.apache.hadoop.hbase.coordination.SplitLogWorkerCoordination	Deprecated. since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based distributed WAL splitter, see SplitWALManager
org.apache.hadoop.hbase.coordination.SplitLogWorkerCoordination.SplitTaskDetails	Interface for log-split tasks Used to carry implementation details in encapsulated way through Handlers to the coordination API.
org.apache.hadoop.hbase.master.SplitOrMergeStateStore	Tracks the switch of split and merge states.
org.apache.hadoop.hbase.regionserver.SplitWALCallable	This callable is used to do the real split WAL task.
org.apache.hadoop.hbase.regionserver.SplitWALCallable.ErrorWALSplitException
org.apache.hadoop.hbase.regionserver.SplitWALCallable.PreemptedWALSplitException
org.apache.hadoop.hbase.regionserver.SplitWALCallable.ResignedWALSplitException
org.apache.hadoop.hbase.master.SplitWALManager	Create SplitWALProcedure for each WAL which need to split.
org.apache.hadoop.hbase.exceptions.SSLContextException
org.apache.hadoop.hbase.SslRMIClientSocketFactorySecure	Avoid SSL V3.0 "Poodle" Vulnerability - CVE-2014-3566
org.apache.hadoop.hbase.SslRMIServerSocketFactorySecure	Avoid SSL V3.0 "Poodle" Vulnerability - CVE-2014-3566
org.apache.hadoop.hbase.http.lib.StaticUserWebFilter	Provides a servlet filter that pretends to authenticate a fake user (Dr.Who) so that the web UI is usable for a secure cluster without authentication.
org.apache.hadoop.hbase.http.lib.StaticUserWebFilter.StaticUserFilter
org.apache.hadoop.hbase.client.StatisticTrackable	Parent interface for an object to get updates about per-region statistics.
org.apache.hadoop.hbase.util.StealJobQueue<T>	This queue allows a ThreadPoolExecutor to steal jobs from another ThreadPoolExecutor.
org.apache.hadoop.hbase.regionserver.SteppingSplitPolicy
org.apache.hadoop.hbase.Stoppable	Implementers are Stoppable.
org.apache.hadoop.hbase.ipc.StoppedRpcClientException
org.apache.hadoop.hbase.rest.StorageClusterStatusResource
org.apache.hadoop.hbase.rest.StorageClusterVersionResource
org.apache.hadoop.hbase.regionserver.Store	Interface for objects that hold a column family in a Region.
org.apache.hadoop.hbase.regionserver.StoreConfigInformation	A more restricted interface for HStore.
org.apache.hadoop.hbase.regionserver.StoreContext	This carries the immutable information and references on some of the meta data about the HStore.
org.apache.hadoop.hbase.regionserver.StoreContext.Builder
org.apache.hadoop.hbase.regionserver.StoreEngine<SF extends org.apache.hadoop.hbase.regionserver.StoreFlusher,CP extends org.apache.hadoop.hbase.regionserver.compactions.CompactionPolicy,C extends org.apache.hadoop.hbase.regionserver.compactions.Compactor<?>,SFM extends org.apache.hadoop.hbase.regionserver.StoreFileManager>	StoreEngine is a factory that can create the objects necessary for HStore to operate.
org.apache.hadoop.hbase.regionserver.StoreEngine.IOExceptionRunnable
org.apache.hadoop.hbase.regionserver.StoreFile	An interface to describe a store data file.
org.apache.hadoop.hbase.regionserver.StoreFileInfo	Describe a StoreFile (hfile, reference, link)
org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileListFilePrettyPrinter
org.apache.hadoop.hbase.regionserver.StoreFileManager	Manages the store files and basic metadata about that that determines the logical structure (e.g.
org.apache.hadoop.hbase.regionserver.StoreFileReader	Reader for a StoreFile.
org.apache.hadoop.hbase.regionserver.StorefileRefresherChore	A chore for refreshing the store files for secondary regions hosted in the region server.
org.apache.hadoop.hbase.regionserver.StoreFileScanner	KeyValueScanner adaptor over the Reader.
org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTracker	An interface to define how we track the store files for a give store.
org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTrackerFactory	Factory method for creating store file tracker.
org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTrackerFactory.Trackers	Maps between configuration names for trackers and implementation classes.
org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTrackerValidationUtils
org.apache.hadoop.hbase.regionserver.StoreFileWriter	A StoreFile writer.
org.apache.hadoop.hbase.regionserver.StoreFileWriter.Builder
org.apache.hadoop.hbase.regionserver.throttle.StoreHotnessProtector	StoreHotnessProtector is designed to help limit the concurrency of puts with dense columns, it does best-effort to avoid exhausting all RS's handlers.
org.apache.hadoop.hbase.regionserver.StoreScanner	Scanner scans both the memstore and the Store.
org.apache.hadoop.hbase.regionserver.StoreUtils	Utility functions for region server storage layer.
org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor	Class for monitor the wal file flush performance.
org.apache.hadoop.hbase.io.util.StreamUtils
org.apache.hadoop.hbase.util.Strings	Utility for Strings.
org.apache.hadoop.hbase.regionserver.querymatcher.StripeCompactionScanQueryMatcher	Query matcher for stripe compaction if range drop deletes is used.
org.apache.hadoop.hbase.regionserver.StripeMultiFileWriter	Base class for cell sink that separates the provided cells into multiple files for stripe compaction.
org.apache.hadoop.hbase.regionserver.StripeMultiFileWriter.BoundaryMultiWriter	MultiWriter that separates the cells based on fixed row-key boundaries.
org.apache.hadoop.hbase.regionserver.StripeMultiFileWriter.SizeMultiWriter	MultiWriter that separates the cells based on target cell number per file and file count.
org.apache.hadoop.hbase.regionserver.StripeStoreConfig	Configuration class for stripe store and compactions.
org.apache.hadoop.hbase.regionserver.StripeStoreEngine	The storage engine that implements the stripe-based store/compaction scheme.
org.apache.hadoop.hbase.regionserver.StripeStoreFileManager	Stripe implementation of StoreFileManager.
org.apache.hadoop.hbase.regionserver.StripeStoreFlusher	Stripe implementation of StoreFlusher.
org.apache.hadoop.hbase.regionserver.StripeStoreFlusher.BoundaryStripeFlushRequest	Stripe flush request wrapper based on boundaries.
org.apache.hadoop.hbase.regionserver.StripeStoreFlusher.SizeStripeFlushRequest	Stripe flush request wrapper based on size.
org.apache.hadoop.hbase.regionserver.StripeStoreFlusher.StripeFlushRequest	Stripe flush request wrapper that writes a non-striped file.
org.apache.hadoop.hbase.types.Struct	Struct is a simple DataType for implementing "compound rowkey" and "compound qualifier" schema design strategies.
org.apache.hadoop.hbase.types.StructBuilder	A helper for building Struct instances.
org.apache.hadoop.hbase.types.StructIterator	An Iterator over encoded Struct members.
org.apache.hadoop.hbase.filter.SubstringComparator	This comparator is for use with SingleColumnValueFilter, for filtering based on the value of a given column.
org.apache.hadoop.hbase.hbtop.screen.top.Summary	Represents the summary of the metrics.
org.apache.hadoop.hbase.security.Superusers	Keeps lists of superusers and super groups loaded from HBase configuration, checks if certain user is regarded as superuser.
org.apache.hadoop.hbase.http.jersey.SupplierFactoryAdapter<T>	Use a Supplier of type T as a Factory that provides instances of T.
org.apache.hadoop.hbase.regionserver.wal.SyncFutureCache	A cache of SyncFutures.
org.apache.hadoop.hbase.mapreduce.SyncTable
org.apache.hadoop.hbase.mapreduce.SyncTable.SyncMapper
org.apache.hadoop.hbase.mapreduce.SyncTable.SyncMapper.Counter
org.apache.hadoop.hbase.replication.SystemTableWALEntryFilter	Skips WAL edits for all System tables including hbase:meta except hbase:acl.
org.apache.hadoop.hbase.client.Table	Used to communicate with a single HBase table.
org.apache.hadoop.hbase.client.Table.CheckAndMutateBuilder	Deprecated. Since 2.4.0, will be removed in 4.0.0.
org.apache.hadoop.hbase.client.Table.CheckAndMutateWithFilterBuilder	Deprecated. Since 2.4.0, will be removed in 4.0.0.
org.apache.hadoop.hbase.client.TableBuilder	For creating Table instance.
org.apache.hadoop.hbase.client.replication.TableCFs	Used by Admin.listReplicatedTableCFs().
org.apache.hadoop.hbase.client.TableDescriptor	TableDescriptor contains the details about an HBase table such as the descriptors of all the column families, is the table a catalog table, hbase:meta , if the table is read only, the maximum size of the memstore, when the region split should occur, coprocessors associated with it etc...
org.apache.hadoop.hbase.client.TableDescriptorBuilder	Convenience class for composing an instance of TableDescriptor.
org.apache.hadoop.hbase.client.TableDescriptorBuilder.ModifyableTableDescriptor	TODO: make this private after removing the HTableDescriptor
org.apache.hadoop.hbase.util.TableDescriptorChecker	Only used for master to sanity check TableDescriptor.
org.apache.hadoop.hbase.TableDescriptors	Get, remove and modify table descriptors.
org.apache.hadoop.hbase.client.TableDescriptorUtils
org.apache.hadoop.hbase.client.TableDescriptorUtils.TableDescriptorDelta
org.apache.hadoop.hbase.TableExistsException	Thrown when a table exists but should not.
org.apache.hadoop.hbase.TableInfoMissingException	Failed to find .tableinfo file under the table directory.
org.apache.hadoop.hbase.mapred.TableInputFormat	Convert HBase tabular data into a format that is consumable by Map/Reduce.
org.apache.hadoop.hbase.mapreduce.TableInputFormat	Convert HBase tabular data into a format that is consumable by Map/Reduce.
org.apache.hadoop.hbase.mapred.TableInputFormatBase	A Base for TableInputFormats.
org.apache.hadoop.hbase.mapreduce.TableInputFormatBase	A base for TableInputFormats.
org.apache.hadoop.hbase.util.hbck.TableIntegrityErrorHandler	This interface provides callbacks for handling particular table integrity invariant violations.
org.apache.hadoop.hbase.util.hbck.TableIntegrityErrorHandlerImpl	Simple implementation of TableIntegrityErrorHandler.
org.apache.hadoop.hbase.mapred.TableMap<K extends org.apache.hadoop.io.WritableComparable<? super K>,V>	Scan an HBase table to sort by a specified sort column.
org.apache.hadoop.hbase.mapreduce.TableMapper<KEYOUT,VALUEOUT>	Extends the base Mapper class to add the required input key and value classes.
org.apache.hadoop.hbase.mapred.TableMapReduceUtil	Utility for TableMap and TableReduce
org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil	Utility for TableMapper and TableReducer
org.apache.hadoop.hbase.hbtop.mode.TableModeStrategy	Implementation for ModeStrategy for Table Mode.
org.apache.hadoop.hbase.TableName	Immutable POJO class for representing a table name.
org.apache.hadoop.hbase.master.TableNamespaceManager	This is a helper class used internally to manage the namespace metadata that is stored in TableName.NAMESPACE_TABLE_NAME.
org.apache.hadoop.hbase.TableNotDisabledException	Thrown if a table should be offline but is not.
org.apache.hadoop.hbase.TableNotEnabledException	Thrown if a table should be enabled but is not.
org.apache.hadoop.hbase.TableNotFoundException	Thrown when a table cannot be located.
org.apache.hadoop.hbase.client.trace.TableOperationSpanBuilder	Construct Span instances originating from "table operations" -- the verbs in our public API that interact with data in tables.
org.apache.hadoop.hbase.mapreduce.TableOutputCommitter	Small committer class that does not do anything.
org.apache.hadoop.hbase.mapred.TableOutputFormat	Convert Map/Reduce output and write it to an HBase table
org.apache.hadoop.hbase.mapreduce.TableOutputFormat<KEY>	Convert Map/Reduce output and write it to an HBase table.
org.apache.hadoop.hbase.mapred.TableOutputFormat.TableRecordWriter	Convert Reduce output (key, value) to (HStoreKey, KeyedDataArrayWritable) and write to an HBase table.
org.apache.hadoop.hbase.snapshot.TablePartiallyOpenException	Thrown if a table should be online/offline, but is partially open.
org.apache.hadoop.hbase.quotas.TableQuotaSnapshotStore	QuotaSnapshotStore for tables.
org.apache.hadoop.hbase.mapred.TableRecordReader	Iterate over an HBase table data, return (Text, RowResult) pairs
org.apache.hadoop.hbase.mapreduce.TableRecordReader	Iterate over an HBase table data, return (ImmutableBytesWritable, Result) pairs.
org.apache.hadoop.hbase.mapred.TableRecordReaderImpl	Iterate over an HBase table data, return (Text, RowResult) pairs
org.apache.hadoop.hbase.mapreduce.TableRecordReaderImpl	Iterate over an HBase table data, return (ImmutableBytesWritable, Result) pairs.
org.apache.hadoop.hbase.mapred.TableReduce<K extends org.apache.hadoop.io.WritableComparable,V>	Write a table, sorting by the input key
org.apache.hadoop.hbase.mapreduce.TableReducer<KEYIN,VALUEIN,KEYOUT>	Extends the basic Reducer class to add the required key and value input/output classes.
org.apache.hadoop.hbase.rest.TableResource
org.apache.hadoop.hbase.rest.TableScanResource
org.apache.hadoop.hbase.rest.TableScanResource.CellSetModelStream
org.apache.hadoop.hbase.mapred.TableSnapshotInputFormat	TableSnapshotInputFormat allows a MapReduce job to run over a table snapshot.
org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormat	TableSnapshotInputFormat allows a MapReduce job to run over a table snapshot.
org.apache.hadoop.hbase.mapred.TableSnapshotInputFormat.TableSnapshotRegionSplit
org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormat.TableSnapshotRegionSplit
org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormatImpl	Hadoop MR API-agnostic implementation for mapreduce over table snapshots.
org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormatImpl.InputSplit	Implementation class for InputSplit logic common between mapred and mapreduce.
org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormatImpl.RecordReader	Implementation class for RecordReader logic common between mapred and mapreduce.
org.apache.hadoop.hbase.client.TableSnapshotScanner	A Scanner which performs a scan over snapshot files.
org.apache.hadoop.hbase.quotas.TableSpaceQuotaSnapshotNotifier	A SpaceQuotaSnapshotNotifier which uses the hbase:quota table.
org.apache.hadoop.hbase.client.trace.TableSpanBuilder	Construct Span instances involving data tables.
org.apache.hadoop.hbase.mapred.TableSplit	A table split corresponds to a key range [low, high)
org.apache.hadoop.hbase.mapreduce.TableSplit	A table split corresponds to a key range (low, high) and an optional scanner.
org.apache.hadoop.hbase.client.TableState	Represents table state.
org.apache.hadoop.hbase.client.TableState.State
org.apache.hadoop.hbase.master.TableStateManager	This is a helper class used to manage table states.
org.apache.hadoop.hbase.Tag	Tags are part of cells and helps to add metadata about them.
org.apache.hadoop.hbase.TagBuilder	Builder implementation to create Tag Call setTagValue(byte[]) method to create ArrayBackedTag
org.apache.hadoop.hbase.TagBuilderFactory	Factory to create Tags.
org.apache.hadoop.hbase.io.TagCompressionContext	Context that holds the dictionary for Tag compression and doing the compress/uncompress.
org.apache.hadoop.hbase.TagType
org.apache.hadoop.hbase.TagUtil
org.apache.hadoop.hbase.thrift.TBoundedThreadPoolServer	A bounded thread pool server customized for HBase.
org.apache.hadoop.hbase.thrift.TBoundedThreadPoolServer.Args
org.apache.hadoop.hbase.hbtop.terminal.Terminal	The terminal interface that is an abstraction of terminal screen.
org.apache.hadoop.hbase.hbtop.terminal.impl.TerminalImpl	An implementation of the Terminal interface for normal display mode.
org.apache.hadoop.hbase.hbtop.terminal.TerminalPrinter	The interface responsible for printing to the terminal.
org.apache.hadoop.hbase.hbtop.terminal.impl.TerminalPrinterImpl	An implementation of the TerminalPrinter interface for normal display mode.
org.apache.hadoop.hbase.hbtop.terminal.TerminalSize	Terminal dimensions in 2-d space, measured in number of rows and columns.
org.apache.hadoop.hbase.types.TerminatedWrapper<T>	Wraps an existing DataType implementation as a terminated version of itself.
org.apache.hadoop.hbase.testing.TestingHBaseCluster	A mini hbase cluster used for testing.
org.apache.hadoop.hbase.testing.TestingHBaseClusterOption	Options for starting up a mini testing cluster TestingHBaseCluster (including an hbase, dfs and zookeeper clusters) in test.
org.apache.hadoop.hbase.testing.TestingHBaseClusterOption.Builder	Builder pattern for creating an TestingHBaseClusterOption.
org.apache.hadoop.hbase.mapreduce.TextSortReducer	Emits Sorted KeyValues.
org.apache.hadoop.hbase.thrift.THBaseThreadPoolExecutor	A ThreadPoolExecutor customized for working with HBase thrift to update metrics before and after the execution of a task.
org.apache.hadoop.hbase.util.Threads	Thread Utility
org.apache.hadoop.hbase.thrift.ThriftHBaseServiceHandler	The HBaseServiceHandler is a glue object that connects Thrift RPC calls to the HBase client API primarily defined in the Admin and Table objects.
org.apache.hadoop.hbase.thrift.ThriftHBaseServiceHandler.IOErrorWithCause
org.apache.hadoop.hbase.thrift.ThriftHBaseServiceHandler.ResultScannerWrapper
org.apache.hadoop.hbase.thrift.ThriftHttpServlet	Thrift Http Servlet is used for performing Kerberos authentication if security is enabled and also used for setting the user specified in "doAs" parameter.
org.apache.hadoop.hbase.thrift.ThriftMetrics	This class is for maintaining the various statistics of thrift server and publishing them through the metrics interfaces.
org.apache.hadoop.hbase.thrift.ThriftMetrics.ThriftServerType
org.apache.hadoop.hbase.thrift.ThriftServer	ThriftServer- this class starts up a Thrift server which implements the Hbase API specified in the Hbase.thrift IDL file.
org.apache.hadoop.hbase.thrift.ThriftUtilities
org.apache.hadoop.hbase.io.hadoopbackport.ThrottledInputStream	The ThrottleInputStream provides bandwidth throttling on a specified InputStream.
org.apache.hadoop.hbase.quotas.ThrottleSettings
org.apache.hadoop.hbase.quotas.ThrottleType	Describe the Throttle Type.
org.apache.hadoop.hbase.quotas.ThrottlingException	Deprecated. replaced by RpcThrottlingException since hbase-2.0.0.
org.apache.hadoop.hbase.quotas.ThrottlingException.Type
org.apache.hadoop.hbase.regionserver.throttle.ThroughputController	A utility that constrains the total throughput of one or more simultaneous flows by sleeping when necessary.
org.apache.hadoop.hbase.regionserver.throttle.ThroughputControlUtil	Helper methods for throttling
org.apache.hadoop.hbase.quotas.TimeBasedLimiter	Simple time based limiter that checks the quota Throttle
org.apache.hadoop.hbase.util.TimeMeasurable<T>	Methods that implement this interface can be measured elapsed time.
org.apache.hadoop.hbase.errorhandling.TimeoutException	Exception for timeout of a task.
org.apache.hadoop.hbase.errorhandling.TimeoutExceptionInjector	Time a given process/operation and report a failure if the elapsed time exceeds the max allowed time.
org.apache.hadoop.hbase.exceptions.TimeoutIOException	Exception thrown when a blocking operation times out.
org.apache.hadoop.hbase.metrics.Timer	A metric which encompasses a Histogram and Meter.
org.apache.hadoop.hbase.io.TimeRange	Represents an interval of version timestamps.
org.apache.hadoop.hbase.regionserver.TimeRangeTracker	Stores minimum and maximum timestamp values, it is [minimumTimestamp, maximumTimestamp] in interval notation.
org.apache.hadoop.hbase.regionserver.TimeRangeTracker.NonSyncTimeRangeTracker
org.apache.hadoop.hbase.regionserver.TimeRangeTracker.SyncTimeRangeTracker
org.apache.hadoop.hbase.regionserver.TimeRangeTracker.Type
org.apache.hadoop.hbase.filter.TimestampsFilter	Filter that returns only cells whose timestamp (version) is in the specified list of timestamps (versions).
org.apache.hadoop.hbase.io.hfile.TinyLfuBlockCache	A block cache that is memory-aware using HeapSize, memory bounded using the W-TinyLFU eviction algorithm, and concurrent.
org.apache.hadoop.hbase.hbtop.screen.top.TopScreenModel	The data and business logic for the top screen.
org.apache.hadoop.hbase.hbtop.screen.top.TopScreenPresenter	The presentation logic for the top screen.
org.apache.hadoop.hbase.hbtop.screen.top.TopScreenView	The screen that provides a dynamic real-time view for the HBase metrics.
org.apache.hadoop.hbase.util.Triple<A,B,C>	Utility class to manage a triple.
org.apache.hadoop.hbase.exceptions.TrustManagerException
org.apache.hadoop.hbase.mapreduce.TsvImporterMapper	Write table content out to files in hdfs.
org.apache.hadoop.hbase.mapreduce.TsvImporterTextMapper	Write table content out to map output files.
org.apache.hadoop.hbase.io.hfile.UncompressedBlockSizePredicator	This BlockCompressedSizePredicator implementation doesn't actually performs any predicate and simply returns true on shouldFinishBlock.
org.apache.hadoop.hbase.exceptions.UnexpectedStateException
org.apache.hadoop.hbase.types.Union2<A,B>	The Union family of DataTypes encode one of a fixed set of Objects.
org.apache.hadoop.hbase.types.Union3<A,B,C>	The Union family of DataTypes encode one of a fixed collection of Objects.
org.apache.hadoop.hbase.types.Union4<A,B,C,D>	The Union family of DataTypes encode one of a fixed collection of Objects.
org.apache.hadoop.hbase.exceptions.UnknownProtocolException	An error requesting an RPC protocol that the server is not serving.
org.apache.hadoop.hbase.UnknownRegionException	Thrown when we are asked to operate on a region we know nothing about.
org.apache.hadoop.hbase.UnknownScannerException	Thrown if a region server is passed an unknown scanner ID.
org.apache.hadoop.hbase.ipc.UnknownServiceException
org.apache.hadoop.hbase.snapshot.UnknownSnapshotException	Exception thrown when we get a request for a snapshot we don't recognize.
org.apache.hadoop.hbase.util.UnsafeAccess
org.apache.hadoop.hbase.ipc.UnsupportedCellCodecException
org.apache.hadoop.hbase.ipc.UnsupportedCompressionCodecException
org.apache.hadoop.hbase.ipc.UnsupportedCryptoException
org.apache.hadoop.hbase.security.User	Wrapper to abstract out usage of user and group information in HBase.
org.apache.hadoop.hbase.security.User.SecureHadoopUser	Bridges User invocations to underlying calls to UserGroupInformation for secure Hadoop 0.20 and versions 0.21 and above.
org.apache.hadoop.hbase.security.User.TestingGroups
UserMetrics	Encapsulates per-user load metrics.
org.apache.hadoop.hbase.UserMetrics.ClientMetrics
org.apache.hadoop.hbase.UserMetricsBuilder
org.apache.hadoop.hbase.UserMetricsBuilder.ClientMetricsImpl
org.apache.hadoop.hbase.hbtop.mode.UserModeStrategy	Implementation for ModeStrategy for User Mode.
org.apache.hadoop.hbase.security.UserProvider	Provide an instance of a user.
org.apache.hadoop.hbase.quotas.UserQuotaState	In-Memory state of the user quotas
org.apache.hadoop.hbase.regionserver.querymatcher.UserScanQueryMatcher	Query matcher for user scan.
org.apache.hadoop.hbase.filter.ValueFilter	This filter is used to filter based on column value.
org.apache.hadoop.hbase.replication.VerifyWALEntriesReplicationEndpoint	A dummy ReplicationEndpoint that replicates nothing.
org.apache.hadoop.hbase.regionserver.VersionedSegmentsList	A list of segment managers coupled with the version of the memstore (version at the time it was created).
org.apache.hadoop.hbase.util.VersionInfo	This class finds the Version information for HBase.
org.apache.hadoop.hbase.client.VersionInfoUtil	Class to help with parsing the version info.
org.apache.hadoop.hbase.rest.VersionResource	Implements REST software version reporting
org.apache.hadoop.hbase.mapreduce.VisibilityExpressionResolver	Interface to convert visibility expressions into Tags for storing along with Cells in HFiles.
org.apache.hadoop.hbase.wal.WAL	A Write Ahead Log (WAL) provides service for reading, writing waledits.
org.apache.hadoop.hbase.wal.WAL.Entry	Utility class that lets us keep track of the edit with it's key.
org.apache.hadoop.hbase.regionserver.wal.WALActionsListener	Get notification of WAL events.
org.apache.hadoop.hbase.regionserver.wal.WALActionsListener.RollRequestReason	The reason for the log roll request.
org.apache.hadoop.hbase.regionserver.wal.WALCellCodec	Compression in this class is lifted off Compressor/KeyValueCompression.
org.apache.hadoop.hbase.regionserver.wal.WALCellCodec.ByteStringCompressor
org.apache.hadoop.hbase.regionserver.wal.WALCellCodec.ByteStringUncompressor
org.apache.hadoop.hbase.regionserver.wal.WALCellCodec.EnsureKvEncoder
org.apache.hadoop.hbase.replication.WALCellFilter	A filter for WAL entry cells before being sent over to replication.
org.apache.hadoop.hbase.coprocessor.WALCoprocessor	WALCoprocessor don't support loading services using Coprocessor.getServices().
org.apache.hadoop.hbase.coprocessor.WALCoprocessorEnvironment
org.apache.hadoop.hbase.regionserver.wal.WALCoprocessorHost	Implements the coprocessor environment and runtime support for coprocessors loaded within a WAL.
org.apache.hadoop.hbase.wal.WALEdit	Used in HBase's transaction log (WAL) to represent a collection of edits (Cell/KeyValue objects) that came in as a single transaction.
org.apache.hadoop.hbase.replication.WALEntryFilter	A Filter for WAL entries before being sent over to replication.
org.apache.hadoop.hbase.regionserver.wal.WALEventTrackerListener
org.apache.hadoop.hbase.regionserver.wal.WALEventTrackerListener.WalState
org.apache.hadoop.hbase.namequeues.WALEventTrackerPayload
org.apache.hadoop.hbase.namequeues.WALEventTrackerQueueService
org.apache.hadoop.hbase.namequeues.WALEventTrackerTableAccessor
org.apache.hadoop.hbase.wal.WALFactory	Entry point for users of the Write Ahead Log.
org.apache.hadoop.hbase.regionserver.wal.WALHeaderEOFException	A special EOFException to indicate that the EOF happens when we read the header of a WAL file.
org.apache.hadoop.hbase.mapreduce.WALInputFormat	Simple InputFormat for WAL files.
org.apache.hadoop.hbase.wal.WALKey	Key for WAL Entry.
org.apache.hadoop.hbase.wal.WALKeyImpl	Default implementation of Key for an Entry in the WAL.
org.apache.hadoop.hbase.io.WALLink	WALLink describes a link to a WAL.
org.apache.hadoop.hbase.coprocessor.WALObserver	It's provided to have a way for coprocessors to observe, rewrite, or skip WALEdits as they are being written to the WAL.
org.apache.hadoop.hbase.mapreduce.WALPlayer	A tool to replay WAL files as a M/R job.
org.apache.hadoop.hbase.mapreduce.WALPlayer.Counter	Enum for map metrics.
org.apache.hadoop.hbase.mapreduce.WALPlayer.WALMapper	A mapper that writes out Mutation to be directly applied to a running HBase instance.
org.apache.hadoop.hbase.wal.WALPrettyPrinter	WALPrettyPrinter prints the contents of a given WAL with a variety of options affecting formatting and extent of content.
org.apache.hadoop.hbase.wal.WALProvider	The Write Ahead Log (WAL) stores all durable edits to the HRegion.
org.apache.hadoop.hbase.wal.WALProvider.AsyncWriter
org.apache.hadoop.hbase.wal.WALProvider.Writer
org.apache.hadoop.hbase.wal.WALProvider.WriterBase
org.apache.hadoop.hbase.wal.WALSplitter	Split RegionServer WAL files.
org.apache.hadoop.hbase.wal.WALSplitter.PipelineController	Contains some methods to control WAL-entries producer / consumer interactions
org.apache.hadoop.hbase.wal.WALSplitUtil	This class provides static methods to support WAL splitting related works
org.apache.hadoop.hbase.wal.WALSplitUtil.MutationReplay	A struct used by getMutationsFromWALEntry
org.apache.hadoop.hbase.wal.WALStreamReader	A one way WAL reader, without reset and seek support.
org.apache.hadoop.hbase.regionserver.wal.WALSyncTimeoutIOException	Thrown when WAL.sync() timeout.
org.apache.hadoop.hbase.wal.WALTailingReader	A WAL reader which is designed for be able to tailing the WAL file which is currently being written.
org.apache.hadoop.hbase.wal.WALTailingReader.Result
org.apache.hadoop.hbase.wal.WALTailingReader.State
org.apache.hadoop.hbase.regionserver.wal.WALUtil	Helper methods to ease Region Server integration with the Write Ahead Log (WAL).
org.apache.hadoop.hbase.util.WeakObjectPool<K,V>	A WeakReference based shared object pool.
org.apache.hadoop.hbase.util.WeightedMovingAverage<T>	Different from SMA SimpleMovingAverage, WeightedMovingAverage gives each data different weight.
org.apache.hadoop.hbase.filter.WhileMatchFilter	A wrapper filter that returns true from WhileMatchFilter.filterAllRemaining() as soon as the wrapped filters Filter.filterRowKey(byte[], int, int), Filter.filterCell(org.apache.hadoop.hbase.Cell), Filter.filterRow() or Filter.filterAllRemaining() methods returns true.
org.apache.hadoop.hbase.util.WindowMovingAverage<T>	Instead of calculate a whole time average, this class focus on the last N.
org.apache.hadoop.hbase.master.WorkerAssigner	help assign and release a worker for each remote task.
org.apache.hadoop.hbase.io.asyncfs.WrapperAsyncFSOutput	An AsyncFSOutput wraps a FSDataOutputStream.
org.apache.hadoop.hbase.util.Writables	Utility class with methods for manipulating Writable objects
org.apache.hadoop.hbase.io.WritableWithSize	An optional interface to 'size' writables.
org.apache.hadoop.hbase.regionserver.WrongRegionException	Thrown when a request contains a key which is not part of this region
org.apache.hadoop.hbase.client.WrongRowIOException
org.apache.hadoop.hbase.ipc.WrongVersionException
org.apache.hadoop.hbase.exceptions.X509Exception	This file has been copied from the Apache ZooKeeper project.
org.apache.hadoop.hbase.io.crypto.tls.X509Util	Utility code for X509 handling Default cipher suites: Performance testing done by Facebook engineers shows that on Intel x86_64 machines, Java9 performs better with GCM and Java8 performs better with CBC, so these seem like reasonable defaults.
org.apache.hadoop.hbase.io.crypto.tls.X509Util.ClientAuth	Enum specifying the client auth requirement of server-side TLS sockets created by this X509Util.
org.apache.hadoop.hbase.util.YammerHistogramUtils	Utility functions for working with Yammer Metrics.
org.apache.hadoop.hbase.YouAreDeadException	This exception is thrown by the master when a region server reports and is already being processed as dead.
org.apache.hadoop.hbase.zookeeper.ZKAclReset	You may add the jaas.conf option -Djava.security.auth.login.config=/PATH/jaas.conf You may also specify -D to set options "hbase.zookeeper.quorum" (it should be in hbase-site.xml) "zookeeper.znode.parent" (it should be in hbase-site.xml) Use -set-acls to set the ACLs, no option to erase ACLs
org.apache.hadoop.hbase.zookeeper.ZKAuthentication	Provides ZooKeeper authentication services for both client and server processes.
org.apache.hadoop.hbase.zookeeper.ZKClusterId	Publishes and synchronizes a unique identifier specific to a given HBase cluster.
org.apache.hadoop.hbase.zookeeper.ZKConfig	Utility methods for reading, and building the ZooKeeper configuration.
org.apache.hadoop.hbase.zookeeper.ZKConfig.ZKClusterKey
org.apache.hadoop.hbase.coordination.ZkCoordinatedStateManager	Deprecated. since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based distributed WAL splitter (see SplitWALManager) which doesn't use this zk-based coordinator.
org.apache.hadoop.hbase.util.ZKDataMigrator	Deprecated. Since 2.0.0.
org.apache.hadoop.hbase.zookeeper.ZKDump	Builds a string containing everything in ZooKeeper.
org.apache.hadoop.hbase.zookeeper.ZKLeaderManager	Deprecated. Not used
org.apache.hadoop.hbase.zookeeper.ZKListener	Base class for internal listeners of ZooKeeper events.
org.apache.hadoop.hbase.zookeeper.ZKMainServer	Tool for running ZookeeperMain from HBase by reading a ZooKeeper server from HBase XML configuration.
org.apache.hadoop.hbase.zookeeper.ZKMetadata	The metadata append to the start of data on zookeeper.
org.apache.hadoop.hbase.ZKNamespaceManager	Class servers two purposes: 1.
org.apache.hadoop.hbase.zookeeper.ZKNodeTracker	Tracks the availability and value of a single ZooKeeper node.
org.apache.hadoop.hbase.replication.ZKReplicationPeerStorage	ZK based replication peer storage.
org.apache.hadoop.hbase.replication.ZKReplicationStorageBase	This is a base class for maintaining replication related data,for example, peer, queue, etc, in zookeeper.
org.apache.hadoop.hbase.zookeeper.ZKServerTool	Tool for reading ZooKeeper servers from HBase XML configuration and producing a line-by-line list for use by bash scripts.
org.apache.hadoop.hbase.zookeeper.ZKSplitLog	Deprecated. since 2.4.0 and 3.0.0 replaced by procedure-based WAL splitting; see SplitWALManager.
org.apache.hadoop.hbase.coordination.ZKSplitLogManagerCoordination	ZooKeeper based implementation of SplitLogManagerCoordination
org.apache.hadoop.hbase.coordination.ZKSplitLogManagerCoordination.TaskFinisher	SplitLogManager can use objects implementing this interface to finish off a partially done task by SplitLogWorker.
org.apache.hadoop.hbase.coordination.ZKSplitLogManagerCoordination.TaskFinisher.Status	status that can be returned finish()
org.apache.hadoop.hbase.coordination.ZkSplitLogWorkerCoordination	ZooKeeper based implementation of SplitLogWorkerCoordination It listen for changes in ZooKeeper and
org.apache.hadoop.hbase.coordination.ZkSplitLogWorkerCoordination.ZkSplitTaskDetails	When ZK-based implementation wants to complete the task, it needs to know task znode and current znode cversion (needed for subsequent update operation).
org.apache.hadoop.hbase.zookeeper.ZKUtil	Internal HBase utility class for ZooKeeper.
org.apache.hadoop.hbase.zookeeper.ZKUtil.NodeAndData	Deprecated. Unused
org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp	Represents an action taken by ZKUtil, e.g.
org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.CreateAndFailSilent	ZKUtilOp representing createAndFailSilent in ZooKeeper (attempt to create node, ignore error if already exists)
org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.DeleteNodeFailSilent	ZKUtilOp representing deleteNodeFailSilent in ZooKeeper (attempt to delete node, ignore error if node doesn't exist)
org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp.SetData	ZKUtilOp representing setData in ZooKeeper
org.apache.hadoop.hbase.zookeeper.ZKWatcher	Acts as the single ZooKeeper Watcher.
org.apache.hadoop.hbase.ZNodeClearer	Contains a set of methods for the collaboration between the start/stop scripts and the servers.
org.apache.hadoop.hbase.zookeeper.ZNodePaths	Class that hold all the paths of znode for HBase.
org.apache.hadoop.hbase.ZooKeeperConnectionException	Thrown if the client can't connect to ZooKeeper.
org.apache.hadoop.hbase.zookeeper.ZooKeeperHelper	Methods that help working with ZooKeeper