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Posted to mapreduce-issues@hadoop.apache.org by "Robert Joseph Evans (JIRA)" <ji...@apache.org> on 2012/07/02 21:16:13 UTC

[jira] [Commented] (MAPREDUCE-4371) Check for cyclic dependencies in Jobcontrol job DAG

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13405246#comment-13405246 ] 

Robert Joseph Evans commented on MAPREDUCE-4371:
------------------------------------------------

Thanks for the updated fix +1. I put this into trunk yet again.
  
                
> Check for cyclic dependencies in Jobcontrol job DAG
> ---------------------------------------------------
>
>                 Key: MAPREDUCE-4371
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4371
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1
>    Affects Versions: 3.0.0
>            Reporter: madhukara phatak
>             Fix For: 3.0.0
>
>         Attachments: MAPREDUCE-4371-1.patch, MAPREDUCE-4371-2.patch, MAPREDUCE-4371-2.patch, MAPREDUCE-4371.patch
>
>
> In current implementation of JobControl, whenever there is a cyclic dependency between the jobs it throws a Stack overflow exception. This jira adds a cyclic check to jobcontrol.

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