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https://issues.apache.org/jira/browse/MAPREDUCE-5891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14140495#comment-14140495
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Hudson commented on MAPREDUCE-5891:
-----------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1901 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1901/])
MAPREDUCE-5891. Improved shuffle error handling across NM restarts. Contributed
by Junping Du (jlowe: rev 2c3da25fd718b3a9c1ed67f05b577975ae613f4e)
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/task/reduce/TestFetcher.java
* hadoop-mapreduce-project/CHANGES.txt
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/Fetcher.java
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/ShuffleSchedulerImpl.java
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
> Improved shuffle error handling across NM restarts
> --------------------------------------------------
>
> Key: MAPREDUCE-5891
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5891
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 2.5.0
> Reporter: Jason Lowe
> Assignee: Junping Du
> Fix For: 2.6.0
>
> Attachments: MAPREDUCE-5891-demo.patch, MAPREDUCE-5891-v2.patch,
> MAPREDUCE-5891-v3.patch, MAPREDUCE-5891-v4.patch, MAPREDUCE-5891-v5.patch,
> MAPREDUCE-5891-v6.patch, MAPREDUCE-5891.patch
>
>
> To minimize the number of map fetch failures reported by reducers across an
> NM restart it would be nice if reducers only reported a fetch failure after
> trying for at specified period of time to retrieve the data.
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