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https://issues.apache.org/jira/browse/HDFS-17808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18065933#comment-18065933
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ASF GitHub Bot commented on HDFS-17808:
---------------------------------------

github-actions[bot] commented on PR #7810:
URL: https://github.com/apache/hadoop/pull/7810#issuecomment-4061814839

   We're closing this stale PR because it has been open for 100 days with no 
activity. This isn't a judgement on the merit of the PR in any way. It's just a 
way of keeping the PR queue manageable.
   If you feel like this was a mistake, or you would like to continue working 
on it, please feel free to re-open it and ask for a committer to remove the 
stale tag and review again.
   Thanks all for your contribution.




> EC: End block group in advance to prevent write failure for long-time running 
> OutputStream
> ------------------------------------------------------------------------------------------
>
>                 Key: HDFS-17808
>                 URL: https://issues.apache.org/jira/browse/HDFS-17808
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: ec, erasure-coding
>            Reporter: Haobo Zhang
>            Assignee: Haobo Zhang
>            Priority: Major
>              Labels: pull-request-available
>
> Recently, we met an EC problem in our production.
> User creates an output stream to write ec files.  That output stream writes 
> some bytes and will be idle for a long time until data is ready.  If we 
> restart our cluster's datanodes to version up,  those applications will  
> finally fail due to not have enough healthy streamers.
>  
> This Jira try to solve above problem by end block group in advance when we 
> already have failed streamers but less than parity number.
>  



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