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https://issues.apache.org/jira/browse/HBASE-14449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-14449:
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Summary: Rewrite deadlock prevention for concurrent connection close (was:
Rewrite deadlock prevention due to concurrent connection close)
> Rewrite deadlock prevention for concurrent connection close
> -----------------------------------------------------------
>
> Key: HBASE-14449
> URL: https://issues.apache.org/jira/browse/HBASE-14449
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Fix For: 2.0.0, 1.2.0, 1.3.0, 1.0.3, 1.1.3
>
> Attachments: 14449-branch-1.0.txt, 14449-v1.txt
>
>
> The deadlock prevention approach used in HBASE-14241 introduces unnecessary
> logic which is not intuitive.
> Depending on the value for config hbase.ipc.client.specificThreadForWriting ,
> there may or may not be CallSender threads running.
> The attached patch simplifies deadlock prevention by using a Set which
> represents the Connections to be closed. Outside the synchronized
> (connections) block, this Set is iterated where the Connections are closed.
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