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https://issues.apache.org/jira/browse/MAPREDUCE-6954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170383#comment-16170383
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Robert Kanter commented on MAPREDUCE-6954:
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Oops, I was committing some other stuff that day too, and accidentally put the
name of one of those in the commit messages :(
trunk:
https://github.com/apache/hadoop/commit/3a8d57a0a2e047b34be82f602a2b6cf5593d2125
branch-3.0:
https://github.com/apache/hadoop/commit/293ab432e116b93ada6ee56e518ae07aa853ab41
I've just reverted those two:
trunk:
https://github.com/apache/hadoop/commit/5f496683fb00ba26a6bf5a506ae87d4bc4088727
https://github.com/apache/hadoop/commit/3847b8c861205d9c85c866ec3477e8b0d19bd659
And recommitted the code with the correct message:
trunk:
https://github.com/apache/hadoop/commit/0adc0471d0c06f66a31060f270dcb50a7b4ffafa
https://github.com/apache/hadoop/commit/917e875e511589c297971f6a14fd85de7925409f
> 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, MAPREDUCE-6954-004.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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