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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13111) Close recovery may incorrectly mark blocks corrupt
Date Mon, 17 Dec 2018 06:52:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722727#comment-16722727
] 

Wei-Chiu Chuang commented on HDFS-13111:
----------------------------------------

I suspect HDFS-10240, which was fixed recently, sounds similar from the description.

> 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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