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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5485) Allow repeating job commit by extending OutputCommitter API
Date Tue, 17 Nov 2015 04:29:11 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15008002#comment-15008002
] 

Hudson commented on MAPREDUCE-5485:
-----------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #1407 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/1407/])
MAPREDUCE-5485. Allow repeating job commit by extending OutputCommitter (jianhe: rev 6502d59e73cd6f3f3a358fce58d398ca38a61fba)
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapred/TestFileOutputCommitter.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/OutputCommitter.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/MRAppMaster.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/lib/output/TestFileOutputCommitter.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/OutputCommitter.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/FileOutputCommitter.java
* hadoop-mapreduce-project/CHANGES.txt
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/commit/CommitterEventHandler.java


> Allow repeating job commit by extending OutputCommitter API
> -----------------------------------------------------------
>
>                 Key: MAPREDUCE-5485
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5485
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 2.1.0-beta
>            Reporter: Nemon Lou
>            Assignee: Junping Du
>            Priority: Critical
>             Fix For: 2.7.3
>
>         Attachments: MAPREDUCE-5485-demo-2.patch, MAPREDUCE-5485-demo.patch, MAPREDUCE-5485-v1.patch,
MAPREDUCE-5485-v2.patch, MAPREDUCE-5485-v3.1.patch, MAPREDUCE-5485-v3.patch, MAPREDUCE-5485-v4.1.patch,
MAPREDUCE-5485-v4.patch, MAPREDUCE-5485-v5-branch-2.7.patch, MAPREDUCE-5485-v5.patch
>
>
> There are chances MRAppMaster crush during job committing,or NodeManager restart cause
the committing AM exit due to container expire.In these cases ,the job will fail.
> However,some jobs can redo commit so failing the job becomes unnecessary.
> Let clients tell AM to allow redo commit or not is a better choice.
> This idea comes from Jason Lowe's comments in MAPREDUCE-4819 



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