Package org.apache.hadoop.hbase.regionserver

Class BasicMemStoreCompactionStrategy

java.lang.Object

org.apache.hadoop.hbase.regionserver.MemStoreCompactionStrategy

org.apache.hadoop.hbase.regionserver.BasicMemStoreCompactionStrategy

@Private
public class BasicMemStoreCompactionStrategy
extends MemStoreCompactionStrategy

Basic strategy chooses between two actions: flattening a segment or merging indices of all segments in the pipeline. If number of segments in pipeline exceed the limit defined in MemStoreCompactionStrategy then apply merge, otherwise flatten some segment.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.regionserver.MemStoreCompactionStrategy

MemStoreCompactionStrategy.Action

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	NAME

Fields inherited from class org.apache.hadoop.hbase.regionserver.MemStoreCompactionStrategy

cfName, COMPACTING_MEMSTORE_THRESHOLD_DEFAULT, COMPACTING_MEMSTORE_THRESHOLD_KEY, LOG, pipelineThreshold

Constructor Summary

Constructors

Constructor	Description
BasicMemStoreCompactionStrategy(org.apache.hadoop.conf.Configuration conf, String cfName)

Method Summary

Modifier and Type	Method	Description
MemStoreCompactionStrategy.Action	getAction(VersionedSegmentsList versionedList)
protected String	getName()

Methods inherited from class org.apache.hadoop.hbase.regionserver.MemStoreCompactionStrategy

compact, getFlattenAction, getMergingAction, resetStats, simpleMergeOrFlatten, toString, updateStats

Methods inherited from class java.lang.Object

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

Field Details

NAME

private static final String NAME

See Also:

• Constant Field Values

Constructor Details

BasicMemStoreCompactionStrategy

public BasicMemStoreCompactionStrategy(org.apache.hadoop.conf.Configuration conf,
 String cfName)

Method Details

getAction

public MemStoreCompactionStrategy.Action getAction(VersionedSegmentsList versionedList)

Specified by:

getAction in class MemStoreCompactionStrategy

getName

protected String getName()

Specified by:

getName in class MemStoreCompactionStrategy