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https://issues.apache.org/jira/browse/MAPREDUCE-6954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170416#comment-16170416
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Hudson commented on MAPREDUCE-6954:
-----------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12898 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/12898/])
MAPREDUCE-6954. Disable erasure coding for files that are uploaded to (rkanter:
rev 0adc0471d0c06f66a31060f270dcb50a7b4ffafa)
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/TestJobResourceUploader.java
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/pom.xml
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/JobResourceUploader.java
* (edit)
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
> 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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