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https://issues.apache.org/jira/browse/HADOOP-4714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652386#action_12652386
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Jothi Padmanabhan commented on HADOOP-4714:
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[exec] -1 overall.
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[exec] +1 @author. The patch does not contain any @author tags.
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[exec] -1 tests included. The patch doesn't appear to include any new
or modified tests.
[exec] Please justify why no tests are needed for
this patch.
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[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
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[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
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[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
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ant testpach and ant test passed for all three (18, 19 branches and trunk)
> map tasks timing out during merge phase
> ---------------------------------------
>
> Key: HADOOP-4714
> URL: https://issues.apache.org/jira/browse/HADOOP-4714
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.1
> Reporter: Christian Kunz
> Assignee: Jothi Padmanabhan
> Attachments: hadoop-4714-18.patch, hadoop-4714-19.patch,
> hadoop-4714-v1.patch, hadoop-4714.patch
>
>
> With compression of transient data turned on some parts of the merge phase
> seem to not report progress enough.
> We see a lot of task failures during the merge phase, most of them timing out
> (even with a 20 min timeout)
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