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https://issues.apache.org/jira/browse/MAPREDUCE-2524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13038174#comment-13038174
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Thomas Graves commented on MAPREDUCE-2524:
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The javadoc and eclipse failures existed before/without these changes.
[exec] -1 overall. [exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 3 new or
modified tests.
[exec]
[exec] -1 javadoc. The javadoc tool appears to have generated 1
warning messages. [exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] -1 Eclipse classpath. The patch causes the Eclipse classpath to
differ from the contents of the lib directories. [exec] [exec]
> Backport trunk heuristics for failing maps when we get fetch failures
> retrieving map output during shuffle
> ----------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2524
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2524
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: tasktracker
> Affects Versions: 0.20.204.0
> Reporter: Thomas Graves
> Assignee: Thomas Graves
> Priority: Minor
> Fix For: 0.20.205.0
>
> Attachments: MAPREDUCE2524-patch-20security.txt
>
>
> The heuristics for failing maps when we get map output fetch failures during
> the shuffle is pretty conservative in 20. Backport the heuristics from trunk
> which are more aggressive, simpler, and configurable.
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