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https://issues.apache.org/jira/browse/HBASE-10563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13904234#comment-13904234
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Hudson commented on HBASE-10563:
--------------------------------
SUCCESS: Integrated in HBase-TRUNK #4926 (See
[https://builds.apache.org/job/HBase-TRUNK/4926/])
HBASE-10563 Set name for FlushHandler thread (Himanshu Vashishtha) (mbertozzi:
rev 1569370)
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java
> Set name for FlushHandler thread
> --------------------------------
>
> Key: HBASE-10563
> URL: https://issues.apache.org/jira/browse/HBASE-10563
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.98.0
> Reporter: Himanshu Vashishtha
> Assignee: Himanshu Vashishtha
> Fix For: 0.96.2, 0.98.1, 0.99.0
>
> Attachments: 10563-v1.patch
>
>
> The FlushHandler thread in MemStoreFlusher class uses default thread name
> (Thread -XX). This is un-intentional and also confusing in case when there
> are multiple handlers.
> Current Stack trace looks like this:
> {code}
> "Thread-18" prio=10 tid=0x00007f4e8cb21800 nid=0x356e waiting on condition
> [0x00007f4e6d49a000]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00000004e5684b00> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
> at java.util.concurrent.DelayQueue.poll(DelayQueue.java:201)
> at java.util.concurrent.DelayQueue.poll(DelayQueue.java:39)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher$FlushHandler.run(MemStoreFlusher.java:228)
> at java.lang.Thread.run(Thread.java:662)
> {code}
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