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From "Sankar Hariappan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16901) Distcp optimization - One distcp per ReplCopyTask
Date Tue, 04 Jul 2017 17:23:00 GMT

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

Sankar Hariappan updated HIVE-16901:
------------------------------------
    Attachment: HIVE-16901.04.patch

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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