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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4361) Corner cases in killJob from command line
Date Tue, 14 Oct 2008 11:29:46 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amareshwari Sriramadasu updated HADOOP-4361:
--------------------------------------------

    Status: Patch Available  (was: Open)

test-patch result:
{noformat}
     [exec]
     [exec] -1 overall.
     [exec]
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified
tests.
     [exec]                         Please justify why no tests are needed for this patch.
     [exec]
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec]
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec]
     [exec]     +1 Eclipse classpath. The patch retains Eclipse classpath integrity.
     [exec]
{noformat}

All the core and contrib tests passed on machine except TestMiniMRDebugScript(due to HADOOP-4410)

Did not include any unit test because it is difficult to simulate the corner-cases. Did the
manual testing for the following:
1. Killed job when all slots are full. made sure cleanup is launched and job is killed.
2. Killed job during setup.
3. Killed job during cleanup.
4. Kill task action for setup during setup
5. kill task action for cleanup during cleanup


> Corner cases in killJob from command line
> -----------------------------------------
>
>                 Key: HADOOP-4361
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4361
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.19.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>             Fix For: 0.19.0
>
>         Attachments: patch-4361.txt
>
>
> If the job has occupied all the slots (maps and reduces), and there is kill from command
line to kill the job, we have to make sure the cleanup task is eventually launched. Now there
is no slot free until one of the attempts completes/failed.
> If there is kill from commandline during job setup, setup task has to be killed, before
launching cleanup task.

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