org.apache.hadoop.hbase.master

Class BulkReOpen

java.lang.Object

org.apache.hadoop.hbase.master.BulkAssigner

org.apache.hadoop.hbase.master.BulkReOpen

@InterfaceAudience.Private
public class BulkReOpen
extends BulkAssigner

Performs bulk reopen of the list of regions provided to it.

Field Summary

Fields inherited from class org.apache.hadoop.hbase.master.BulkAssigner

server

Constructor Summary

Constructors

Constructor and Description
BulkReOpen(Server server, Map<ServerName,List<HRegionInfo>> serverToRegions, AssignmentManager am)

Method Summary

Modifier and Type	Method and Description
boolean	bulkReOpen()
protected int	getThreadCount() Configuration knobs "hbase.bulk.reopen.threadpool.size" number of regions that can be reopened concurrently.
protected void	populatePool(ExecutorService pool) Unassign all regions, so that they go through the regular region assignment flow (in assignment manager) and are re-opened.
protected boolean	waitUntilDone(long timeout) Reopen the regions asynchronously, so always returns true immediately.

Methods inherited from class org.apache.hadoop.hbase.master.BulkAssigner

bulkAssign, bulkAssign, getThreadNamePrefix, getTimeoutOnRIT, getUncaughtExceptionHandler

Methods inherited from class java.lang.Object

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

Constructor Detail

BulkReOpen

public BulkReOpen(Server server,
                  Map<ServerName,List<HRegionInfo>> serverToRegions,
                  AssignmentManager am)

Method Detail

populatePool

protected void populatePool(ExecutorService pool)

Unassign all regions, so that they go through the regular region assignment flow (in assignment manager) and are re-opened.

Specified by:

populatePool in class BulkAssigner

waitUntilDone

protected boolean waitUntilDone(long timeout)

Reopen the regions asynchronously, so always returns true immediately.

Specified by:

waitUntilDone in class BulkAssigner

Parameters:

timeout - How long to wait.

Returns:

true

getThreadCount

protected int getThreadCount()

Configuration knobs "hbase.bulk.reopen.threadpool.size" number of regions that can be reopened concurrently. The maximum number of threads the master creates is never more than the number of region servers. If configuration is not defined it defaults to 20

Overrides:

getThreadCount in class BulkAssigner

bulkReOpen

public boolean bulkReOpen()
                   throws InterruptedException,
                          IOException

Throws:

InterruptedException

IOException