org.apache.hadoop.hbase.regionserver.compactions

Class CompactionConfiguration

java.lang.Object

org.apache.hadoop.hbase.regionserver.compactions.CompactionConfiguration

@InterfaceAudience.Private
public class CompactionConfiguration
extends Object

Compaction configuration for a particular instance of HStore. Takes into account both global settings and ones set on the column family/store. Control knobs for default compaction algorithm:

maxCompactSize - upper bound on file size to be included in minor compactions minCompactSize - lower bound below which compaction is selected without ratio test minFilesToCompact - lower bound on number of files in any minor compaction maxFilesToCompact - upper bound on number of files in any minor compaction compactionRatio - Ratio used for compaction

Set parameter as "hbase.hstore.compaction."

Field Summary

Fields

Modifier and Type	Field and Description
static String	MAX_KEY
static String	MIN_KEY
static String	RATIO_KEY

Method Summary

Methods

Modifier and Type	Method and Description
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

RATIO_KEY

public static final String RATIO_KEY

See Also:

Constant Field Values

MIN_KEY

public static final String MIN_KEY

See Also:

Constant Field Values

MAX_KEY

public static final String MAX_KEY

See Also:

Constant Field Values

Method Detail

toString

public String toString()

Overrides:

toString in class Object