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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4374) JVM should not be killed but given an opportunity to exit gracefully
Date Fri, 27 Mar 2009 05:07:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12689810#action_12689810

Hadoop QA commented on HADOOP-4374:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 758925.

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

    +1 tests included.  The patch appears to include 6 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 appears to introduce 1 new Findbugs warnings.

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

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

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/145/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/145/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/145/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/145/console

This message is automatically generated.

> JVM should not be killed but given an opportunity to exit gracefully
> --------------------------------------------------------------------
>                 Key: HADOOP-4374
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4374
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.19.0
>            Reporter: Devaraj Das
>            Assignee: Ravi Gummadi
>             Fix For: 0.20.0
>         Attachments: HADOOP-4374.patch, HADOOP-4374.v1.1.patch, HADOOP-4374.v1.patch
> When the tasktracker picks an idle JVM for purging, it should signal the JVM to exit
gracefully, rather than forcefully killing it. This might have the unfortunate side effect
of logs not fully flushed yet in some cases.

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