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https://issues.apache.org/jira/browse/HDFS-13111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16455659#comment-16455659
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Junping Du commented on HDFS-13111:
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move to 2.8.5 given this jira has been quiet for a while.
> Close recovery may incorrectly mark blocks corrupt
> --------------------------------------------------
>
> Key: HDFS-13111
> URL: https://issues.apache.org/jira/browse/HDFS-13111
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.8.0
> Reporter: Daryn Sharp
> Priority: Critical
>
> Close recovery can leave a block marked corrupt until the next FBR arrives
> from one of the DNs. The reason is unclear but has happened multiple times
> when a DN has io saturated disks.
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