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https://issues.apache.org/jira/browse/HDFS-6227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14006649#comment-14006649
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Colin Patrick McCabe commented on HDFS-6227:
--------------------------------------------
It should be sufficient to just check if the stream is open in
{{ShortCircuitCache#unref}}. I also added a regression test to
{{TestBlockReaderFactory}}.
> ShortCircuitCache#unref should purge ShortCircuitReplicas whose streams have
> been closed by java interrupts
> -----------------------------------------------------------------------------------------------------------
>
> Key: HDFS-6227
> URL: https://issues.apache.org/jira/browse/HDFS-6227
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: Jing Zhao
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-6227.000.patch, HDFS-6227.001.patch,
> ShortCircuitReadInterruption.test.patch
>
>
> While running tests in a single node cluster, where short circuit read is
> enabled and multiple threads may read the same file concurrently, one of the
> read got ClosedChannelException and failed. Full exception trace see comment.
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