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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4879) TeraOutputFormat may overwrite an existing output directory
Date Fri, 12 Dec 2014 20:13:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14244708#comment-14244708
] 

Hadoop QA commented on MAPREDUCE-4879:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12686922/MAPREDUCE-4879.003.patch
  against trunk revision 3681de2.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

      {color:red}-1 javac{color}.  The applied patch generated 1222 javac compiler warnings
(more than the trunk's current 1221 warnings).

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-examples.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5077//testReport/
Javac warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5077//artifact/patchprocess/diffJavacWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5077//console

This message is automatically generated.

> 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
>         Attachments: MAPREDUCE-4879-trunk-rev1.patch, MAPREDUCE-4879-trunk.patch, MAPREDUCE-4879.003.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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