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https://issues.apache.org/jira/browse/HDFS-2043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15204126#comment-15204126
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Lin Yiqun commented on HDFS-2043:
---------------------------------
As [~kihwal] pointed out, it seems to be an actual race. The two exception logs
info in HDFS-10181 also indicated that the stream has been executed other
operations when the {{DataStreamer.run}} was did. Update a patch to catch the
potential exceptions in stream writing operations and add some chances to
retry. Assigned this jira to me, pending jenkins.
> TestHFlush failing intermittently
> ---------------------------------
>
> Key: HDFS-2043
> URL: https://issues.apache.org/jira/browse/HDFS-2043
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Aaron T. Myers
> Attachments: HDFS-2043.002.patch, HDFS.001.patch
>
>
> I can't reproduce this failure reliably, but it seems like TestHFlush has
> been failing intermittently, with the frequency increasing of late.
> Note the following two pre-commit test runs from different JIRAs where
> TestHFlush seems to have failed spuriously:
> https://builds.apache.org/job/PreCommit-HDFS-Build/734//testReport/
> https://builds.apache.org/job/PreCommit-HDFS-Build/680//testReport/
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