org.apache.hadoop.hbase.mob

Class MobFileCleanerChore

java.lang.Object

org.apache.hadoop.hbase.ScheduledChore

org.apache.hadoop.hbase.mob.MobFileCleanerChore

All Implemented Interfaces:

Runnable

@InterfaceAudience.Private
public class MobFileCleanerChore
extends ScheduledChore

The class MobFileCleanerChore for running cleaner regularly to remove the expired and obsolete (files which have no active references to) mob files.

Field Summary

Fields

Modifier and Type	Field and Description
private ExpiredMobFileCleaner	cleaner
private static org.slf4j.Logger	LOG
private HMaster	master

Constructor Summary

Constructors

Constructor and Description
MobFileCleanerChore()
MobFileCleanerChore(HMaster master)

Method Summary

Modifier and Type	Method and Description
void	archiveMobFiles(org.apache.hadoop.conf.Configuration conf, TableName tableName, byte[] family, List<org.apache.hadoop.fs.Path> storeFiles) Archives the mob files.
private void	checkObsoleteConfigurations()
protected void	chore() The task to execute on each scheduled execution of the Chore
void	cleanupObsoleteMobFiles(org.apache.hadoop.conf.Configuration conf, TableName table) Performs housekeeping file cleaning (called by MOB Cleaner chore)

Methods inherited from class org.apache.hadoop.hbase.ScheduledChore

cancel, cancel, choreForTesting, cleanup, getInitialDelay, getName, getPeriod, getStopper, getTimeUnit, initialChore, isInitialChoreComplete, isScheduled, run, shutdown, shutdown, toString, triggerNow

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.slf4j.Logger LOG

master

private final HMaster master

cleaner

private ExpiredMobFileCleaner cleaner

Constructor Detail

MobFileCleanerChore

public MobFileCleanerChore(HMaster master)

MobFileCleanerChore

public MobFileCleanerChore()

Method Detail

checkObsoleteConfigurations

private void checkObsoleteConfigurations()

chore

protected void chore()

Description copied from class: ScheduledChore

The task to execute on each scheduled execution of the Chore

Specified by:

chore in class ScheduledChore

cleanupObsoleteMobFiles

public void cleanupObsoleteMobFiles(org.apache.hadoop.conf.Configuration conf,
                                    TableName table)
                             throws IOException

Performs housekeeping file cleaning (called by MOB Cleaner chore)

Parameters:

conf - configuration

table - table name

Throws:

IOException - exception

archiveMobFiles

public void archiveMobFiles(org.apache.hadoop.conf.Configuration conf,
                            TableName tableName,
                            byte[] family,
                            List<org.apache.hadoop.fs.Path> storeFiles)
                     throws IOException

Archives the mob files.

Parameters:

conf - The current configuration.

tableName - The table name.

family - The name of the column family.

storeFiles - The files to be archived.

Throws:

IOException - exception