org.apache.hadoop.hbase.mob.mapreduce

Class Sweeper

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.hbase.mob.mapreduce.Sweeper

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

@InterfaceAudience.Public
public class Sweeper
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool

The sweep tool. It deletes the mob files that are not used and merges the small mob files to bigger ones. Each run of this sweep tool only handles one column family. The runs on the same column family are mutually exclusive. And the major compaction and sweep tool on the same column family are mutually exclusive too.

Constructor Summary

Constructors

Constructor and Description
Sweeper()

Method Summary

Methods

Modifier and Type	Method and Description
static void	main(String[] args)
int	run(String[] args) Main method for the tool.

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Constructor Detail

Sweeper

public Sweeper()

Method Detail

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

run

public int run(String[] args)
        throws Exception

Main method for the tool.

Specified by:

run in interface org.apache.hadoop.util.Tool

Returns:

0 if success, 1 for bad args. 2 if job aborted with an exception, 3 if unable to start due to other compaction, 4 if mr job was unsuccessful

Throws:

Exception