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From "Edward J. Yoon (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-498) BSPTask should periodically ping its parent.
Date Wed, 29 Feb 2012 07:33:57 GMT

    [ https://issues.apache.org/jira/browse/HAMA-498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13218963#comment-13218963
] 

Edward J. Yoon commented on HAMA-498:
-------------------------------------

By the way, rat-check fails.

You should add license headers to UtilsForTesting and TestBSPTask classes.

{code}
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Apache Hama parent POM ............................ SUCCESS [2.585s]
[INFO] core .............................................. FAILURE [18.325s]
[INFO] graph ............................................. SKIPPED
[INFO] examples .......................................... SKIPPED
[INFO] yarn .............................................. SKIPPED
[INFO] dist .............................................. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 21.379s
[INFO] Finished at: Wed Feb 29 16:30:51 KST 2012

[INFO] Final Memory: 16M/47M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.rat:apache-rat-plugin:0.8:check (default) on project
hama-core: Too many unapproved licenses: 2 -> [Help 1]
{code}
                
> BSPTask should periodically ping its parent.
> --------------------------------------------
>
>                 Key: HAMA-498
>                 URL: https://issues.apache.org/jira/browse/HAMA-498
>             Project: Hama
>          Issue Type: Sub-task
>          Components: bsp
>    Affects Versions: 0.4.0
>            Reporter: Edward J. Yoon
>            Assignee: Suraj Menon
>              Labels: newbie
>             Fix For: 0.5.0
>
>         Attachments: HAMA-498.patch
>
>
> As described in http://wiki.apache.org/hama/GroomServerFaultTolerance
> BSPTask should periodically ping its parent 'GroomServer' for their health status.
> 1. If Tasks are unable to ping their parent 'GroomServer', it should be killed themselves.
> 2. And, if GroomServer does not receive ping from the childs, GroomServer should check
whether that child is running.
> You don't need to implement recovery logic in this issue.

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