org.apache.hadoop.hbase.wal

Class BoundedGroupingStrategy

java.lang.Object

org.apache.hadoop.hbase.wal.BoundedGroupingStrategy

All Implemented Interfaces:

RegionGroupingProvider.RegionGroupingStrategy

@InterfaceAudience.Private
public class BoundedGroupingStrategy
extends Object
implements RegionGroupingProvider.RegionGroupingStrategy

A WAL grouping strategy that limits the number of wal groups to "hbase.wal.regiongrouping.numgroups".

Field Summary

Fields inherited from interface org.apache.hadoop.hbase.wal.RegionGroupingProvider.RegionGroupingStrategy

GROUP_NAME_DELIMITER

Constructor Summary

Constructors

Constructor and Description
BoundedGroupingStrategy()

Method Summary

Modifier and Type	Method and Description
String	group(byte[] identifier, byte[] namespace) Given an identifier and a namespace, pick a group.
void	init(org.apache.hadoop.conf.Configuration config, String providerId)

Methods inherited from class java.lang.Object

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

Constructor Detail

BoundedGroupingStrategy

public BoundedGroupingStrategy()

Method Detail

group

public String group(byte[] identifier,
                    byte[] namespace)

Description copied from interface: RegionGroupingProvider.RegionGroupingStrategy

Given an identifier and a namespace, pick a group.

Specified by:

group in interface RegionGroupingProvider.RegionGroupingStrategy

init

public void init(org.apache.hadoop.conf.Configuration config,
                 String providerId)

Specified by:

init in interface RegionGroupingProvider.RegionGroupingStrategy