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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6954) Disable erasure coding for files that are uploaded to the MR staging area
Date Mon, 18 Sep 2017 18:12:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170416#comment-16170416
] 

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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