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From "Mayank Bansal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3837) Hadoop 22 Job tracker is not able to recover job in case of crash and after that no user can submit job.
Date Mon, 02 Jul 2012 20:45:46 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13405315#comment-13405315
] 

Mayank Bansal commented on MAPREDUCE-3837:
------------------------------------------

Test Patch Results are as follows:

 [exec] BUILD SUCCESSFUL
     [exec] Total time: 4 minutes 7 seconds
     [exec] 
     [exec] 
     [exec] 
     [exec] 
     [exec] +1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 9 new or modified tests.
     [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 (version 1.3.9)
warnings.
     [exec] 
     [exec] 
     [exec] 
     [exec] 
     [exec] ======================================================================
     [exec] ======================================================================
     [exec]     Finished build.
     [exec] ======================================================================
     [exec] ======================================================================

                
> Hadoop 22 Job tracker is not able to recover job in case of crash and after that no user
can submit job.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3837
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3837
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.22.0, 1.1.1
>            Reporter: Mayank Bansal
>            Assignee: Mayank Bansal
>             Fix For: 0.24.0, 1.1.1, 0.22.1, 0.23.2
>
>         Attachments: PATCH-HADOOP-1-MAPREDUCE-3837-1.patch, PATCH-HADOOP-1-MAPREDUCE-3837-2.patch,
PATCH-HADOOP-1-MAPREDUCE-3837-3.patch, PATCH-HADOOP-1-MAPREDUCE-3837-4.patch, PATCH-HADOOP-1-MAPREDUCE-3837.patch,
PATCH-MAPREDUCE-3837.patch, PATCH-TRUNK-MAPREDUCE-3837.patch
>
>
> If job tracker is crashed while running , and there were some jobs are running , so if
job tracker's property mapreduce.jobtracker.restart.recover is true then it should recover
the job.
> However the current behavior is as follows
> jobtracker try to restore the jobs but it can not . And after that jobtracker closes
its handle to hdfs and nobody else can submit job. 
> Thanks,
> Mayank

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