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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6954) Disable erasure coding for files that are uploaded to the MR staging area
Date Fri, 15 Sep 2017 19:08:00 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Robert Kanter updated MAPREDUCE-6954:
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-beta1
           Status: Resolved  (was: Patch Available)

Thanks [~pbacsko].  Committed to trunk and branch-3.0!

> Disable erasure coding for files that are uploaded to the MR staging area
> -------------------------------------------------------------------------
>                 Key: MAPREDUCE-6954
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6954
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 3.0.0-alpha4
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>             Fix For: 3.0.0-beta1
>         Attachments: MAPREDUCE-6954-001.patch, MAPREDUCE-6954-002.patch, MAPREDUCE-6954-003.patch,
> Depending on the encoder/decoder used and the type or MR workload, EC might negatively
affect the performance of an MR job if too many files are localized.
> In such a scenario, users might want to disable EC in the staging area to speed up the

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