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https://issues.apache.org/jira/browse/MAPREDUCE-4879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14245943#comment-14245943
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Hudson commented on MAPREDUCE-4879:
-----------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1992 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1992/])
MAPREDUCE-4879. TeraOutputFormat may overwrite an existing output directory.
(gera) (gera: rev 25a04402389dce0222938df4375d4545f8c1f34f)
*
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/terasort/TeraOutputFormat.java
*
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/test/java/org/apache/hadoop/examples/terasort/TestTeraSort.java
* hadoop-mapreduce-project/CHANGES.txt
*
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/terasort/TeraGen.java
> TeraOutputFormat may overwrite an existing output directory
> -----------------------------------------------------------
>
> Key: MAPREDUCE-4879
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4879
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: examples
> Affects Versions: 1.2.1, 2.6.0
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Fix For: 2.7.0
>
> Attachments: MAPREDUCE-4879-trunk-rev1.patch,
> MAPREDUCE-4879-trunk.patch, MAPREDUCE-4879.003.patch, MAPREDUCE-4879.004.patch
>
>
> Unlike FileOutputFormat, TeraOutputFormat does not prevent TeraGen/Sort jobs
> from writing into an existing directory, and potentially overwriting previous
> runs.
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