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https://issues.apache.org/jira/browse/HIVE-16901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16067225#comment-16067225
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ASF GitHub Bot commented on HIVE-16901:
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GitHub user sankarh opened a pull request:
https://github.com/apache/hive/pull/200
HIVE-16901: Distcp optimization - One distcp per ReplCopyTask
Distcp call is modified to take list of source files as input.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sankarh/hive HIVE-16901
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/hive/pull/200.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #200
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commit 57c002ba87253004dcfb8d6e5217f9c6f6574952
Author: Sankar Hariappan <[email protected]>
Date: 2017-06-15T06:31:45Z
HIVE-16901: Distcp optimization - One distcp per ReplCopyTask
----
> 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
>
>
> 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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