org.apache.hadoop.hbase.master

类 HbckChore

java.lang.Object

org.apache.hadoop.hbase.ScheduledChore

org.apache.hadoop.hbase.master.HbckChore

所有已实现的接口:

Runnable

@InterfaceAudience.Private
 @InterfaceStability.Evolving
public class HbckChore
extends ScheduledChore

Used to do the hbck checking job at master side.

构造器概要

构造器

构造器和说明
HbckChore(MasterServices master)

方法概要

限定符和类型	方法和说明
protected void	chore()
long	getCheckingEndTimestamp() Used for web ui to show when the HBCK checking report generated.
long	getCheckingStartTimestamp() Used for web ui to show when the HBCK checking started.
Map<String,Pair<ServerName,List<ServerName>>>	getInconsistentRegions() Found the inconsistent regions.
Map<String,org.apache.hadoop.fs.Path>	getOrphanRegionsOnFS()
Map<String,ServerName>	getOrphanRegionsOnRS()
boolean	isDisabled()
boolean	isRunning() When running, the HBCK report may be changed later.
protected boolean	runChore()

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

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

从类继承的方法 java.lang.Object

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

构造器详细资料

HbckChore

public HbckChore(MasterServices master)

方法详细资料

chore

protected void chore()

指定者:

chore 在类中 ScheduledChore

runChore

protected boolean runChore()

isDisabled

public boolean isDisabled()

isRunning

public boolean isRunning()

When running, the HBCK report may be changed later.

getOrphanRegionsOnRS

public Map<String,ServerName> getOrphanRegionsOnRS()

返回:

the regions only opened on RegionServers, but no region info in meta.

getOrphanRegionsOnFS

public Map<String,org.apache.hadoop.fs.Path> getOrphanRegionsOnFS()

返回:

the regions have directory on FileSystem, but no region info in meta.

getInconsistentRegions

public Map<String,Pair<ServerName,List<ServerName>>> getInconsistentRegions()

Found the inconsistent regions. There are three case: case 1. Master thought this region opened, but no regionserver reported it. case 2. Master thought this region opened on Server1, but regionserver reported Server2 case 3. More than one regionservers reported opened this region

返回:

the map of inconsistent regions. Key is the region name. Value is a pair of location in meta and the regionservers which reported opened this region.

getCheckingStartTimestamp

public long getCheckingStartTimestamp()

Used for web ui to show when the HBCK checking started.

getCheckingEndTimestamp

public long getCheckingEndTimestamp()

Used for web ui to show when the HBCK checking report generated.