[jira] Commented: (HADOOP-4279) write the random number generator seed to log in the append-related tests

["Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12634721#action_12634721 ] 

Tsz Wo (Nicholas), SZE commented on HADOOP-4279:
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{noformat}
     [exec] +1 overall.  

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

     [exec]     +1 tests included.  The patch appears to include 21 new or modified tests.

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

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

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

     [exec]     +1 Eclipse classpath. The patch retains Eclipse classpath integrity.
{noformat}

I tested it locally.  It passed all the related tests in my machine.

Once the patch is reviewed, we can commit it without submitting it to Hudson since (1) the patch queue is long and (2) this only changes the append-related tests for debugging.

> write the random number generator seed to log in the append-related tests
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-4279
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4279
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: test
>            Reporter: Tsz Wo (Nicholas), SZE
>            Priority: Blocker
>             Fix For: 0.19.0
>
>         Attachments: 4279_20080925.patch
>
>
> There are quite a few append-related tests (see HADOOP-2658 for a list of related issues) failed occasionally.  Some of the tests use a random number generator.  We should write the random number generator seed to log and, hopefully, we could reproduce the failure.

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