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https://issues.apache.org/jira/browse/HADOOP-18739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18031291#comment-18031291
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ASF GitHub Bot commented on HADOOP-18739:
-----------------------------------------
github-actions[bot] commented on PR #5640:
URL: https://github.com/apache/hadoop/pull/5640#issuecomment-3424219425
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.
> Parallelize concatenation of distcp chunks of separate files in CopyCommitter
> -----------------------------------------------------------------------------
>
> Key: HADOOP-18739
> URL: https://issues.apache.org/jira/browse/HADOOP-18739
> Project: Hadoop Common
> Issue Type: Improvement
> Components: tools/distcp
> Affects Versions: 3.3.6
> Reporter: Abhay Yadav
> Priority: Major
> Labels: pull-request-available
>
> While copying a folder containing large files consisting of multiple distcp
> chunks, copy committer synchronously picks chunks of each file and
> concatenates them. This part can be improved by parallelizing the
> concatenation of distcp chunks of separate files. We are able to save 2-3
> minutes while copying a folder of 100 GB containing 20 files of 5GB size with
> this improvement.
> Contributing a patch for this.
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