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https://issues.apache.org/jira/browse/HDFS-1054?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-1054:
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Attachment: hdfs-1054-0.20-append.txt
Attaching patch for 0.20-append branch. It's just slightly different than what
went into trunk (did less cleanup to minimize change). No unit test but has
been cluster tested for last several months with lots of failure testing.
> Remove unnecessary sleep after failure in nextBlockOutputStream
> ---------------------------------------------------------------
>
> Key: HDFS-1054
> URL: https://issues.apache.org/jira/browse/HDFS-1054
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs client
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.20-append
>
> Attachments: hdfs-1054-0.20-append.txt, hdfs-1054.txt, hdfs-1054.txt
>
>
> If DFSOutputStream fails to create a pipeline, it currently sleeps 6 seconds
> before retrying. I don't see a great reason to wait at all, much less 6
> seconds (especially now that HDFS-630 ensures that a retry won't go back to
> the bad node). We should at least make it configurable, and perhaps something
> like backoff makes some sense.
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