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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16901) Distcp optimization - One distcp per ReplCopyTask
Date Wed, 05 Jul 2017 05:53:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Dai updated HIVE-16901:
------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Patch pushed to master. Thanks Sankar, Anishek!

> 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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