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https://issues.apache.org/jira/browse/HDFS-16897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena resolved HDFS-16897.
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Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
> Fix abundant Broken pipe exception in BlockSender
> -------------------------------------------------
>
> Key: HDFS-16897
> URL: https://issues.apache.org/jira/browse/HDFS-16897
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Affects Versions: 3.3.4
> Reporter: fanluo
> Assignee: fanluo
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> in our production cluster env , we found some exception in datanode logs，its
> frequently print below error
> in HDFS-2054 we only ignored message starting with `Broken pipe` which may
> not enough for the following case:
> !https://user-images.githubusercontent.com/20748856/215264829-5f16dbc3-fea2-4883-a3d6-ded367564b8c.png!
> this situation look like related to short-circuit read. in HDFS-4354 the
> error has been wrapped, so that our previous judgment conditions are invalid.
> !https://user-images.githubusercontent.com/20748856/215314257-2064637b-ea46-42f5-b53f-a29e68bb50ea.png!
> maybe we can improve it.
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