org.apache.hadoop.hbase.master.cleaner

类 TimeToLiveHFileCleaner

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.master.cleaner.TimeToLiveHFileCleaner

所有已实现的接口:

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

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

HFile cleaner that uses the timestamp of the hfile to determine if it should be deleted. By default they are allowed to live for 300000L

字段概要

字段

限定符和类型	字段和说明
static long	DEFAULT_TTL
static String	TTL_CONF_KEY

构造器概要

构造器

构造器和说明
TimeToLiveHFileCleaner()

方法概要

限定符和类型	方法和说明
boolean	isFileDeletable(org.apache.hadoop.fs.FileStatus fStat) Should the master delete the file or keep it?
void	setConf(org.apache.hadoop.conf.Configuration conf)

从类继承的方法 org.apache.hadoop.hbase.master.cleaner.BaseHFileCleanerDelegate

isStopped, stop

从类继承的方法 org.apache.hadoop.hbase.master.cleaner.BaseFileCleanerDelegate

getDeletableFiles, init

从类继承的方法 org.apache.hadoop.hbase.BaseConfigurable

getConf

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.hadoop.hbase.master.cleaner.FileCleanerDelegate

preClean

从接口继承的方法 org.apache.hadoop.conf.Configurable

getConf

字段详细资料

TTL_CONF_KEY

public static final String TTL_CONF_KEY

另请参阅:

常量字段值

DEFAULT_TTL

public static final long DEFAULT_TTL

另请参阅:

常量字段值

构造器详细资料

TimeToLiveHFileCleaner

public TimeToLiveHFileCleaner()

方法详细资料

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

指定者:

setConf 在接口中 org.apache.hadoop.conf.Configurable

覆盖:

setConf 在类中 BaseConfigurable

isFileDeletable

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

从类复制的说明: BaseFileCleanerDelegate

Should the master delete the file or keep it?

指定者:

isFileDeletable 在类中 BaseFileCleanerDelegate

参数:

fStat - file status of the file to check

返回:

true if the file is deletable, false if not