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https://issues.apache.org/jira/browse/HBASE-7865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13580052#comment-13580052
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Lars Hofhansl commented on HBASE-7865:
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This would be consistent with the flush not succeeding because HDFS is down.
It is strange, though it seems that nobody is actually holding the
cacheFlushLock; so not sure why the two region close threads are waiting on it.
Another thing I noticed that the jstack #3 and #7 are from 64bit JVM, whereas
jstack #1 is from a 32bit JVM (but that should not matter).
> HBase regionserver never stops when running `bin/stop-hbase.sh` on master
> -------------------------------------------------------------------------
>
> Key: HBASE-7865
> URL: https://issues.apache.org/jira/browse/HBASE-7865
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.5
> Reporter: Jean-Marc Spaggiari
> Attachments: jstack_node1.txt, jstack_node3.txt, jstack_node7.txt
>
>
> I faced 3 regions (out of 8) never stopping today. This is pretty bad because
> the script is supposed to wait until all the RS stopped to re-start
> everything, therefor, servers are never going back online.
> HBASE-7838 will help with that and will kill the RSs. But that will not
> really solve the root cause.
> Attached are the jstack for the 3 servers.
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