org.apache.hadoop.hbase.mapred
Class HRegionPartitioner<K2,V2>

java.lang.Object
  extended by org.apache.hadoop.hbase.mapred.HRegionPartitioner<K2,V2>
Type Parameters:
K2 -
V2 -
All Implemented Interfaces:
org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Partitioner<ImmutableBytesWritable,V2>

Deprecated.

@Deprecated
public class HRegionPartitioner<K2,V2>
extends Object
implements org.apache.hadoop.mapred.Partitioner<ImmutableBytesWritable,V2>

This is used to partition the output keys into groups of keys. Keys are grouped according to the regions that currently exist so that each reducer fills a single region so load is distributed.


Constructor Summary
HRegionPartitioner()
          Deprecated.  
 
Method Summary
 void configure(org.apache.hadoop.mapred.JobConf job)
          Deprecated.  
 int getPartition(ImmutableBytesWritable key, V2 value, int numPartitions)
          Deprecated.  
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

HRegionPartitioner

public HRegionPartitioner()
Deprecated. 
Method Detail

configure

public void configure(org.apache.hadoop.mapred.JobConf job)
Deprecated. 
Specified by:
configure in interface org.apache.hadoop.mapred.JobConfigurable

getPartition

public int getPartition(ImmutableBytesWritable key,
                        V2 value,
                        int numPartitions)
Deprecated. 
Specified by:
getPartition in interface org.apache.hadoop.mapred.Partitioner<ImmutableBytesWritable,V2>


Copyright © 2011 The Apache Software Foundation. All Rights Reserved.