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https://issues.apache.org/jira/browse/HIVE-16901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16073937#comment-16073937
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Sankar Hariappan edited comment on HIVE-16901 at 7/4/17 5:23 PM:
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Added 04.patch after replacing (0 != srcMap.size()) to (!srcMap.isEmpty())
Thanks [~anishek] for the review!
Request [~thejas]/[~daijy] to please review/commit the patch!
was (Author: sankarh):
Added 04.patch after replacing (0 != srcMap.size()) to (!srcMap.isEmpty())
> Distcp optimization - One distcp per ReplCopyTask
> --------------------------------------------------
>
> Key: HIVE-16901
> URL: https://issues.apache.org/jira/browse/HIVE-16901
> Project: Hive
> Issue Type: Sub-task
> Components: Hive, repl
> Affects Versions: 2.1.0
> Reporter: Sankar Hariappan
> Assignee: Sankar Hariappan
> Labels: DR, replication
> Fix For: 3.0.0
>
> Attachments: HIVE-16901.01.patch, HIVE-16901.02.patch,
> HIVE-16901.03.patch, HIVE-16901.04.patch
>
>
> Currently, if a ReplCopyTask is created to copy a list of files, then distcp
> is invoked for each and every file. Instead, need to pass the list of source
> files to be copied to distcp tool which basically copies the files in
> parallel and hence gets lot of performance gain.
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