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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4645) Providing a random seed to Slive should make the sequence of filenames completely deterministic
Date Mon, 10 Sep 2012 14:22:07 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13452003#comment-13452003
] 

Hadoop QA commented on MAPREDUCE-4645:
--------------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12544273/MAPREDUCE-4645.branch-0.23.patch
  against trunk revision .

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

    +1 tests included.  The patch appears to include 3 new or modified test files.

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

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

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

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

    +1 core tests.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2834//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2834//console

This message is automatically generated.
                
> Providing a random seed to Slive should make the sequence of filenames completely deterministic
> -----------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4645
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4645
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: performance, test
>    Affects Versions: 0.23.1, 2.0.0-alpha
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>              Labels: performance, test
>         Attachments: MAPREDUCE-4645.branch-0.23.patch
>
>
> Using the -random seed option still doesn't produce a deterministic sequence of filenames.
Hence there's no way to replicate the performance test. If I'm providing a seed, its obvious
that I want the test to be reproducible.

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