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https://issues.apache.org/jira/browse/HDFS-12754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16236285#comment-16236285
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Íñigo Goiri commented on HDFS-12754:
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The test in HDFS-12757 looks like a good repro for this.
I would add it here.
> Lease renewal can hit a deadlock
> ---------------------------------
>
> Key: HDFS-12754
> URL: https://issues.apache.org/jira/browse/HDFS-12754
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.8.1
> Reporter: Kuhu Shukla
> Assignee: Kuhu Shukla
> Priority: Major
> Attachments: HDFS-12754.001.patch
>
>
> The Client and the renewer can hit a deadlock during close operation since
> closeFile() reaches back to the DFSClient#removeFileBeingWritten. This is
> possible if the client class close when the renewer is renewing a lease.
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