[
https://issues.apache.org/jira/browse/HADOOP-8063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13206763#comment-13206763
]
sutao bian commented on HADOOP-8063:
------------------------------------
2012-02-10 13:13:50
Full thread dump Java HotSpot(TM) 64-Bit Server VM (10.0-b22 mixed mode):
"pool-1-thread-689" prio=10 tid=0x00007f7fd4029000 nid=0x62e2 runnable
[0x00007f81cadec000..0x00007f81cadeca90]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
- locked <0x00007f8283d10778> (a java.io.BufferedInputStream)
at java.io.DataInputStream.readShort(DataInputStream.java:295)
at
org.apache.hadoop.hdfs.server.balancer.Balancer$PendingBlockMove.receiveResponse(Balancer.java:367)
at
org.apache.hadoop.hdfs.server.balancer.Balancer$PendingBlockMove.dispatch(Balancer.java:322)
at
org.apache.hadoop.hdfs.server.balancer.Balancer$PendingBlockMove.access$1800(Balancer.java:228)
at
org.apache.hadoop.hdfs.server.balancer.Balancer$PendingBlockMove$1.run(Balancer.java:389)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
Locked ownable synchronizers:
- <0x00007f8283d036b8> (a
java.util.concurrent.locks.ReentrantLock$NonfairSync)
"pool-1-thread-688" prio=10 tid=0x00007f7fd4027c00 nid=0x62e1 waiting on
condition [0x00007f81caeed000..0x00007f81caeed810]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00007f82300ec758> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:946)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:906)
at java.lang.Thread.run(Thread.java:619)
Locked ownable synchronizers:
- None
"pool-1-thread-687" prio=10 tid=0x00007f7fd4026400 nid=0x62e0 waiting on
condition [0x00007f81cafee000..0x00007f81cafee790]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00007f82300ec758> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:946)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:906)
at java.lang.Thread.run(Thread.java:619)
Locked ownable synchronizers:
- None
> Hadoop balancer will creart too many threds will crash the balancer JVM
> -----------------------------------------------------------------------
>
> Key: HADOOP-8063
> URL: https://issues.apache.org/jira/browse/HADOOP-8063
> Project: Hadoop Common
> Issue Type: Bug
> Environment: hadoop version
> Hadoop 0.20.2
> Subversion
> https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r 911707
> Compiled by chrisdo on Fri Feb 19 08:07:34 UTC 2010
> Reporter: sutao bian
> Labels: Hadoop, blancer, jvm
>
> The balancer process will create too many thread will more than the jvm and
> the jvm will crash.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
