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https://issues.apache.org/jira/browse/MAPREDUCE-6954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158602#comment-16158602
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Peter Bacsko commented on MAPREDUCE-6954:
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Forgot to update {{mapred-default.xml}}, will do it in the next patch.
> 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
> Attachments: MAPREDUCE-6954-001.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 execution.
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