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Posted to issues@hbase.apache.org by "Prakash Khemani (Created) (JIRA)" <ji...@apache.org> on 2011/11/20 04:03:53 UTC
[jira] [Created] (HBASE-4831) LRU stats thread should be a daemon
thread
LRU stats thread should be a daemon thread
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Key: HBASE-4831
URL: https://issues.apache.org/jira/browse/HBASE-4831
Project: HBase
Issue Type: Bug
Reporter: Prakash Khemani
Assignee: Prakash Khemani
I have seen the hung processes where the following was the only non-daemon thread
"LRU Statistics #0" prio=10 tid=0x00002ab0bc04f800 nid=0x11ac waiting on condition [0x0000000042f57000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00002aaab9a1c000> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:662)
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[jira] [Resolved] (HBASE-4831) LRU stats thread should be a daemon
thread
Posted by "Andrew Purtell (Resolved) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-4831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Purtell resolved HBASE-4831.
-----------------------------------
Resolution: Duplicate
Duplicate of HBASE-4745, already resolved
> LRU stats thread should be a daemon thread
> ------------------------------------------
>
> Key: HBASE-4831
> URL: https://issues.apache.org/jira/browse/HBASE-4831
> Project: HBase
> Issue Type: Bug
> Reporter: Prakash Khemani
> Assignee: Prakash Khemani
>
> I have seen the hung processes where the following was the only non-daemon thread
> "LRU Statistics #0" prio=10 tid=0x00002ab0bc04f800 nid=0x11ac waiting on condition [0x0000000042f57000]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00002aaab9a1c000> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
> at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:662)
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