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From "Sankar Hariappan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16901) Distcp optimization - One distcp per ReplCopyTask
Date Wed, 28 Jun 2017 21:14:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16067232#comment-16067232
] 

Sankar Hariappan commented on HIVE-16901:
-----------------------------------------

The test failures are irrelevant to the change!

Request [~anishek]/[~sushanth]/[~thejas] to please review the 01.patch!

> 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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