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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1668) RaidNode should only Har a directory if all its parity files have been created
Date Wed, 04 Aug 2010 07:24:17 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895166#action_12895166
] 

Hadoop QA commented on MAPREDUCE-1668:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12450021/MAPREDUCE-1668.patch
  against trunk revision 982087.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 4 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/602/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/602/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/602/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/602/console

This message is automatically generated.

> RaidNode should only Har a directory if all its parity files have been created
> ------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1668
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1668
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/raid
>    Affects Versions: 0.22.0
>            Reporter: Rodrigo Schmidt
>            Assignee: Ramkumar Vadali
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1668.patch
>
>
> In the current code, it can happen that a directory will be Archived (Har'ed) before
all its parity files have been generated since parity file generation is not atomic. We should
verify if all the parity files are present before Archiving a directory.

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