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https://issues.apache.org/jira/browse/MAPREDUCE-1597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12906668#action_12906668
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Amareshwari Sriramadasu commented on MAPREDUCE-1597:
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test-patch result:
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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 appears to include 3 new or
modified tests.
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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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[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
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All core and contrib unit tests passed.
> combinefileinputformat does not work with non-splittable files
> --------------------------------------------------------------
>
> Key: MAPREDUCE-1597
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1597
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Namit Jain
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.22.0
>
> Attachments: patch-1597.txt
>
>
> CombineFileInputFormat.getSplits() does not take into account whether a file
> is splittable.
> This can lead to a problem for compressed text files - for example,
> getSplits() may return more
> than 1 split depending on the size of the compressed file, all the splits
> recordreader will read the
> complete file.
> I ran into this problem while using Hive on hadoop 20.
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