Package org.apache.hadoop.hbase

Class RegionMetricsBuilder.RegionMetricsImpl

java.lang.Object

org.apache.hadoop.hbase.RegionMetricsBuilder.RegionMetricsImpl

All Implemented Interfaces:

RegionMetrics

Enclosing class:

RegionMetricsBuilder

private static class RegionMetricsBuilder.RegionMetricsImpl
extends Object
implements RegionMetrics

Field Summary

Fields

Modifier and Type	Field	Description
private final long	blocksLocalWeight
private final long	blocksLocalWithSsdWeight
private final long	blocksTotalWeight
private final Size	bloomFilterSize
private final long	compactedCellCount
private final long	compactingCellCount
private final CompactionState	compactionState
private final long	completedSequenceId
private final float	currentRegionCachedRatio
private final float	dataLocality
private final float	dataLocalityForSsd
private final long	filteredReadRequestCount
private final Size	indexSize
private final long	lastMajorCompactionTimestamp
private final int	maxCompactedStoreFileRefCount
private final Size	memStoreSize
private final byte[]	name
private final long	readRequestCount
private final Size	regionSizeMB
private final Size	rootLevelIndexSize
private final int	storeCount
private final int	storeFileCount
private final Size	storeFileSize
private final int	storeRefCount
private final Map<byte[],Long>	storeSequenceIds
private final Size	uncompressedDataIndexSize
private final Size	uncompressedStoreFileSize
private final long	writeRequestCount

Constructor Summary

Constructors

Constructor

Description

RegionMetricsImpl(byte[] name, int storeCount, int storeFileCount, int storeRefCount, int maxCompactedStoreFileRefCount, long compactingCellCount, long compactedCellCount, Size storeFileSize, Size memStoreSize, Size indexSize, Size rootLevelIndexSize, Size uncompressedDataIndexSize, Size bloomFilterSize, Size uncompressedStoreFileSize, long writeRequestCount, long readRequestCount, long filteredReadRequestCount, long completedSequenceId, Map<byte[],Long> storeSequenceIds, float dataLocality, long lastMajorCompactionTimestamp, float dataLocalityForSsd, long blocksLocalWeight, long blocksLocalWithSsdWeight, long blocksTotalWeight, CompactionState compactionState, Size regionSizeMB, float currentRegionCachedRatio)

Method Summary

Modifier and Type	Method	Description
long	getBlocksLocalWeight()	Returns the data at local weight of this region in the regionserver
long	getBlocksLocalWithSsdWeight()	Different from blocksLocalWeight,this metric's numerator only include the data stored on ssd
long	getBlocksTotalWeight()	Returns the block total weight of this region
Size	getBloomFilterSize()	Returns The total size of all Bloom filter blocks, not just loaded into the block cache
long	getCompactedCellCount()	Returns the number of already compacted kvs in current compaction
long	getCompactingCellCount()	Returns the total number of cells in current compaction
CompactionState	getCompactionState()	Returns the compaction state of this region
long	getCompletedSequenceId()	This does not really belong inside RegionLoad but its being done in the name of expediency.
float	getCurrentRegionCachedRatio()	Returns current prefetch ratio of this region on this server
float	getDataLocality()	Returns the data locality of region in the regionserver.
float	getDataLocalityForSsd()	Different from dataLocality,this metric's numerator only include the data stored on ssd
long	getFilteredReadRequestCount()	Returns the number of filtered read requests made to region
long	getLastMajorCompactionTimestamp()	Returns the timestamp of the oldest hfile for any store of this region.
int	getMaxCompactedStoreFileRefCount()	Returns the max reference count for any store file among all compacted stores files of this region
Size	getMemStoreSize()	Returns the memstore size
long	getReadRequestCount()	Returns the number of read requests made to region
byte[]	getRegionName()	Returns the region name
Size	getRegionSizeMB()	Returns the total size of the hfiles in the region
int	getStoreCount()	Returns the number of stores
int	getStoreFileCount()	Returns the number of storefiles
Size	getStoreFileIndexSize()	TODO: why we pass the same value to different counters? Currently, the value from getStoreFileIndexSize() is same with getStoreFileRootLevelIndexSize() see HRegionServer#createRegionLoad.
Size	getStoreFileRootLevelIndexSize()	Returns The current total size of root-level indexes for the region
Size	getStoreFileSize()	Returns the total size of the storefiles
Size	getStoreFileUncompressedDataIndexSize()	Returns The total size of all index blocks, not just the root level
int	getStoreRefCount()	Returns the reference count for the stores of this region
Map<byte[],Long>	getStoreSequenceId()	Returns completed sequence id per store.
Size	getUncompressedStoreFileSize()	Returns the uncompressed size of the storefiles
long	getWriteRequestCount()	Returns the number of write requests made to region
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.hadoop.hbase.RegionMetrics

getNameAsString, getRequestCount

Field Details

name

private final byte[] name

storeCount

private final int storeCount

storeFileCount

private final int storeFileCount

storeRefCount

private final int storeRefCount

maxCompactedStoreFileRefCount

private final int maxCompactedStoreFileRefCount

compactingCellCount

private final long compactingCellCount

compactedCellCount

private final long compactedCellCount

storeFileSize

private final Size storeFileSize

memStoreSize

private final Size memStoreSize

indexSize

private final Size indexSize

rootLevelIndexSize

private final Size rootLevelIndexSize

uncompressedDataIndexSize

private final Size uncompressedDataIndexSize

bloomFilterSize

private final Size bloomFilterSize

uncompressedStoreFileSize

private final Size uncompressedStoreFileSize

writeRequestCount

private final long writeRequestCount

readRequestCount

private final long readRequestCount

filteredReadRequestCount

private final long filteredReadRequestCount

completedSequenceId

private final long completedSequenceId

storeSequenceIds

private final Map<byte[],Long> storeSequenceIds

dataLocality

private final float dataLocality

lastMajorCompactionTimestamp

private final long lastMajorCompactionTimestamp

dataLocalityForSsd

private final float dataLocalityForSsd

blocksLocalWeight

private final long blocksLocalWeight

blocksLocalWithSsdWeight

private final long blocksLocalWithSsdWeight

blocksTotalWeight

private final long blocksTotalWeight

compactionState

private final CompactionState compactionState

regionSizeMB

private final Size regionSizeMB

currentRegionCachedRatio

private final float currentRegionCachedRatio

Constructor Details

RegionMetricsImpl

RegionMetricsImpl(byte[] name,
 int storeCount,
 int storeFileCount,
 int storeRefCount,
 int maxCompactedStoreFileRefCount,
 long compactingCellCount,
 long compactedCellCount,
 Size storeFileSize,
 Size memStoreSize,
 Size indexSize,
 Size rootLevelIndexSize,
 Size uncompressedDataIndexSize,
 Size bloomFilterSize,
 Size uncompressedStoreFileSize,
 long writeRequestCount,
 long readRequestCount,
 long filteredReadRequestCount,
 long completedSequenceId,
 Map<byte[],Long> storeSequenceIds,
 float dataLocality,
 long lastMajorCompactionTimestamp,
 float dataLocalityForSsd,
 long blocksLocalWeight,
 long blocksLocalWithSsdWeight,
 long blocksTotalWeight,
 CompactionState compactionState,
 Size regionSizeMB,
 float currentRegionCachedRatio)

Method Details

getRegionName

public byte[] getRegionName()

Description copied from interface: RegionMetrics

Returns the region name

Specified by:

getRegionName in interface RegionMetrics

getStoreCount

public int getStoreCount()

Description copied from interface: RegionMetrics

Returns the number of stores

Specified by:

getStoreCount in interface RegionMetrics

getStoreFileCount

public int getStoreFileCount()

Description copied from interface: RegionMetrics

Returns the number of storefiles

Specified by:

getStoreFileCount in interface RegionMetrics

getStoreRefCount

public int getStoreRefCount()

Description copied from interface: RegionMetrics

Returns the reference count for the stores of this region

Specified by:

getStoreRefCount in interface RegionMetrics

getMaxCompactedStoreFileRefCount

public int getMaxCompactedStoreFileRefCount()

Description copied from interface: RegionMetrics

Returns the max reference count for any store file among all compacted stores files of this region

Specified by:

getMaxCompactedStoreFileRefCount in interface RegionMetrics

getStoreFileSize

public Size getStoreFileSize()

Description copied from interface: RegionMetrics

Returns the total size of the storefiles

Specified by:

getStoreFileSize in interface RegionMetrics

getMemStoreSize

public Size getMemStoreSize()

Description copied from interface: RegionMetrics

Returns the memstore size

Specified by:

getMemStoreSize in interface RegionMetrics

getReadRequestCount

public long getReadRequestCount()

Description copied from interface: RegionMetrics

Returns the number of read requests made to region

Specified by:

getReadRequestCount in interface RegionMetrics

getFilteredReadRequestCount

public long getFilteredReadRequestCount()

Description copied from interface: RegionMetrics

Returns the number of filtered read requests made to region

Specified by:

getFilteredReadRequestCount in interface RegionMetrics

getWriteRequestCount

public long getWriteRequestCount()

Description copied from interface: RegionMetrics

Returns the number of write requests made to region

Specified by:

getWriteRequestCount in interface RegionMetrics

getStoreFileIndexSize

public Size getStoreFileIndexSize()

Description copied from interface: RegionMetrics

TODO: why we pass the same value to different counters? Currently, the value from getStoreFileIndexSize() is same with getStoreFileRootLevelIndexSize() see HRegionServer#createRegionLoad.

Specified by:

getStoreFileIndexSize in interface RegionMetrics

Returns:

The current total size of root-level indexes for the region

getStoreFileRootLevelIndexSize

public Size getStoreFileRootLevelIndexSize()

Description copied from interface: RegionMetrics

Returns The current total size of root-level indexes for the region

Specified by:

getStoreFileRootLevelIndexSize in interface RegionMetrics

getStoreFileUncompressedDataIndexSize

public Size getStoreFileUncompressedDataIndexSize()

Description copied from interface: RegionMetrics

Returns The total size of all index blocks, not just the root level

Specified by:

getStoreFileUncompressedDataIndexSize in interface RegionMetrics

getBloomFilterSize

public Size getBloomFilterSize()

Description copied from interface: RegionMetrics

Returns The total size of all Bloom filter blocks, not just loaded into the block cache

Specified by:

getBloomFilterSize in interface RegionMetrics

getCompactingCellCount

public long getCompactingCellCount()

Description copied from interface: RegionMetrics

Returns the total number of cells in current compaction

Specified by:

getCompactingCellCount in interface RegionMetrics

getCompactedCellCount

public long getCompactedCellCount()

Description copied from interface: RegionMetrics

Returns the number of already compacted kvs in current compaction

Specified by:

getCompactedCellCount in interface RegionMetrics

getCompletedSequenceId

public long getCompletedSequenceId()

Description copied from interface: RegionMetrics

This does not really belong inside RegionLoad but its being done in the name of expediency.

Specified by:

getCompletedSequenceId in interface RegionMetrics

Returns:

the completed sequence Id for the region

getStoreSequenceId

public Map<byte[],Long> getStoreSequenceId()

Description copied from interface: RegionMetrics

Returns completed sequence id per store.

Specified by:

getStoreSequenceId in interface RegionMetrics

getUncompressedStoreFileSize

public Size getUncompressedStoreFileSize()

Description copied from interface: RegionMetrics

Returns the uncompressed size of the storefiles

Specified by:

getUncompressedStoreFileSize in interface RegionMetrics

getDataLocality

public float getDataLocality()

Description copied from interface: RegionMetrics

Returns the data locality of region in the regionserver.

Specified by:

getDataLocality in interface RegionMetrics

getLastMajorCompactionTimestamp

public long getLastMajorCompactionTimestamp()

Description copied from interface: RegionMetrics

Returns the timestamp of the oldest hfile for any store of this region.

Specified by:

getLastMajorCompactionTimestamp in interface RegionMetrics

getDataLocalityForSsd

public float getDataLocalityForSsd()

Description copied from interface: RegionMetrics

Different from dataLocality,this metric's numerator only include the data stored on ssd

Specified by:

getDataLocalityForSsd in interface RegionMetrics

Returns:

the data locality for ssd of region in the regionserver

getBlocksLocalWeight

public long getBlocksLocalWeight()

Description copied from interface: RegionMetrics

Returns the data at local weight of this region in the regionserver

Specified by:

getBlocksLocalWeight in interface RegionMetrics

getBlocksLocalWithSsdWeight

public long getBlocksLocalWithSsdWeight()

Description copied from interface: RegionMetrics

Different from blocksLocalWeight,this metric's numerator only include the data stored on ssd

Specified by:

getBlocksLocalWithSsdWeight in interface RegionMetrics

Returns:

the data at local with ssd weight of this region in the regionserver

getBlocksTotalWeight

public long getBlocksTotalWeight()

Description copied from interface: RegionMetrics

Returns the block total weight of this region

Specified by:

getBlocksTotalWeight in interface RegionMetrics

getCompactionState

public CompactionState getCompactionState()

Description copied from interface: RegionMetrics

Returns the compaction state of this region

Specified by:

getCompactionState in interface RegionMetrics

getRegionSizeMB

public Size getRegionSizeMB()

Description copied from interface: RegionMetrics

Returns the total size of the hfiles in the region

Specified by:

getRegionSizeMB in interface RegionMetrics

getCurrentRegionCachedRatio

public float getCurrentRegionCachedRatio()

Description copied from interface: RegionMetrics

Returns current prefetch ratio of this region on this server

Specified by:

getCurrentRegionCachedRatio in interface RegionMetrics

toString

public String toString()

Overrides:

toString in class Object