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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-387) Add task ID and superstep count informations to lock file
Date Fri, 17 Jun 2011 14:58:47 GMT

    [ https://issues.apache.org/jira/browse/HAMA-387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13051119#comment-13051119
] 

Edward J. Yoon commented on HAMA-387:
-------------------------------------

Thanks for your review. BTW, it seems still problematic.


> Add task ID and superstep count informations to lock file
> ---------------------------------------------------------
>
>                 Key: HAMA-387
>                 URL: https://issues.apache.org/jira/browse/HAMA-387
>             Project: Hama
>          Issue Type: Improvement
>          Components: bsp
>    Affects Versions: 0.2.0
>            Reporter: Edward J. Yoon
>             Fix For: 0.3.0
>
>         Attachments: HAMA-387_v02.patch, sleepless.patch
>
>
> I think, the lock file must include:
>  * the job ID
>  * the task ID of the lock file owner
>  * the current superstep count
> to check ownership and validation.
> Currently they are named by hostname, but multi-tasks can be run per one groomserver
in the future. 

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