org.apache.hadoop.hbase.mob

Class ManualMobMaintHFileCleaner

java.lang.Object

org.apache.hadoop.hbase.BaseConfigurable

org.apache.hadoop.hbase.master.cleaner.BaseFileCleanerDelegate

org.apache.hadoop.hbase.master.cleaner.BaseHFileCleanerDelegate

org.apache.hadoop.hbase.mob.ManualMobMaintHFileCleaner

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, FileCleanerDelegate, Stoppable

@InterfaceAudience.LimitedPrivate(value="Configuration")
public class ManualMobMaintHFileCleaner
extends BaseHFileCleanerDelegate

BaseHFileCleanerDelegate that prevents cleaning HFiles from a mob region keeps a map of table name strings to mob region name strings over the life of a JVM instance. if there's churn of unique table names we'll eat memory until Master restart.

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	LOG
private static ConcurrentMap<TableName,String>	MOB_REGIONS

Constructor Summary

Constructors

Constructor and Description
ManualMobMaintHFileCleaner()

Method Summary

Modifier and Type	Method and Description
boolean	isFileDeletable(org.apache.hadoop.fs.FileStatus fStat) Should the master delete the file or keep it?

Methods inherited from class org.apache.hadoop.hbase.master.cleaner.BaseHFileCleanerDelegate

isStopped, stop

Methods inherited from class org.apache.hadoop.hbase.master.cleaner.BaseFileCleanerDelegate

getDeletableFiles, init

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

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.hbase.master.cleaner.FileCleanerDelegate

preClean

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

getConf, setConf

Field Detail

LOG

private static final org.slf4j.Logger LOG

MOB_REGIONS

private static final ConcurrentMap<TableName,String> MOB_REGIONS

Constructor Detail

ManualMobMaintHFileCleaner

public ManualMobMaintHFileCleaner()

Method Detail

isFileDeletable

public boolean isFileDeletable(org.apache.hadoop.fs.FileStatus fStat)

Description copied from class: BaseFileCleanerDelegate

Should the master delete the file or keep it?

Specified by:

isFileDeletable in class BaseFileCleanerDelegate

Parameters:

fStat - file status of the file to check

Returns:

true if the file is deletable, false if not