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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.txt
Here's a patch which removes the sleep altogether. I looked through the svn
logs and this sleep has been there since Nutch, and I can't think of any
particular reason why it's useful.
If someone can think of a time when it actually is a good idea to sleep, I'll
upload a patch that makes it configurable, but otherwise I think we should just
remove it.
> Make sleep after failure in nextBlockOutputStream smarter and configurable
> --------------------------------------------------------------------------
>
> 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
> Attachments: 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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