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https://issues.apache.org/jira/browse/HBASE-15436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15188261#comment-15188261
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Sangjin Lee commented on HBASE-15436:
-------------------------------------
See YARN-4736 for more details.
> BufferedMutatorImpl.flush() appears to get stuck
> ------------------------------------------------
>
> Key: HBASE-15436
> URL: https://issues.apache.org/jira/browse/HBASE-15436
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 1.0.2
> Reporter: Sangjin Lee
> Attachments: hbaseException.log, threaddump.log
>
>
> We noticed an instance where the thread that was executing a flush
> ({{BufferedMutatorImpl.flush()}}) got stuck when the (local one-node) cluster
> shut down and was unable to get out of that stuck state.
> The setup is a single node HBase cluster, and apparently the cluster went
> away when the client was executing flush. The flush eventually logged a
> failure after 30+ minutes of retrying. That is understandable.
> What is unexpected is that thread is stuck in this state (i.e. in the
> {{flush()}} call). I would have expected the {{flush()}} call to return after
> the complete failure.
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