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https://issues.apache.org/jira/browse/MAPREDUCE-1320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12793843#action_12793843
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Kay Kay commented on MAPREDUCE-1320:
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On first pass - the test failures does not seem to be related to the patch but
due to environmental issues , may be.
Need to revisit this after we get a complete green build once on the trunk.
> StringBuffer -> StringBuilder occurence
> ----------------------------------------
>
> Key: MAPREDUCE-1320
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1320
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.20.1
> Reporter: Kay Kay
> Fix For: 0.20.2
>
> Attachments: MAPREDUCE-1320.patch
>
>
> A good number of toString() implementations use StringBuffer when the
> reference clearly does not go out of scope of the method and no concurrency
> is needed. Patch contains replacing those occurences from StringBuffer to
> StringBuilder.
> Created against map/reduce project trunk .
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