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Posted to mapreduce-issues@hadoop.apache.org by "Daryn Sharp (JIRA)" <ji...@apache.org> on 2012/08/31 01:23:07 UTC

[jira] [Updated] (MAPREDUCE-4614) Simplify debugging a job's tokens

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4614?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daryn Sharp updated MAPREDUCE-4614:
-----------------------------------

    Status: Patch Available  (was: Open)
    
> Simplify debugging a job's tokens
> ---------------------------------
>
>                 Key: MAPREDUCE-4614
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4614
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client, task
>    Affects Versions: 0.23.3, 3.0.0, 2.2.0-alpha
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: MAPREDUCE-4614.branch-23.patch, MAPREDUCE-4614.patch
>
>
> It's exceedingly difficult to debug token issues with a job.  Sometimes tokens appear to be missing, or have the wrong service, etc.  It would be much easier if job submission logged the tokens submitted, and if tasks logged the tokens they received.

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