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https://issues.apache.org/jira/browse/MAPREDUCE-4614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13446312#comment-13446312
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Siddharth Seth commented on MAPREDUCE-4614:
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Looks good. Would prefer the client side messages to be at a DEBUG level. If
this is really required for debugging (issues which are tough to reproduce
etc), maybe we can have them at INFO level while stabilizing the system, and
change them to DEBUG at a later point. Otherwise, DEBUG level + a change in the
client log level should work.
> 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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