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Hadoop >> mail # user >> YARN Pi example job stuck at 0%(No MR tasks are started by ResourceManager)


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Re: YARN Pi example job stuck at 0%(No MR tasks are started by ResourceManager)
Hi Rahul,

Thanks for your response. I can certainly enable the
yarn.log-aggregation-enable to true. But after enabling this what manual
steps i will have to take to run jobs. Could you please elaborate.

Thanks,
Anil

On Mon, Jul 30, 2012 at 4:26 PM, Rahul Jain <[EMAIL PROTECTED]> wrote:

> The inability to look at map-reduce logs for failed logs is due to number
> of open issues in yarn; see my recent comment here:
>
> https://issues.apache.org/jira/browse/MAPREDUCE-4428?focusedCommentId=13412995&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13412995
>
> You can workaround this by enabling log aggregation and manually copying
> job logs from HDFS log location. Of course that is a painful way till the
> yarn log collection and history bugs are resolved in an upcoming release.
>
> -Rahul
>
>
> > 12/07/27 09:38:27 INFO mapred.ResourceMgrDelegate: Submitted application
> > application_1343365114818_0002 to ResourceManager at ihub-an-l1/
> > 172.31.192.151:8040
> > 12/07/27 09:38:27 INFO mapreduce.Job: The url to track the job:
> > http://ihub-an-l1:9999/proxy/application_1343365114818_0002/
> > 12/07/27 09:38:27 INFO mapreduce.Job: Running job: job_1343365114818_0002
> >
> > No Map-Reduce task are started by the cluster. I dont see any errors
> > anywhere in the application. Please help me in resolving this problem.
> >
> > Thanks,
> > Anil Gupta
> >
>

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Thanks & Regards,
Anil Gupta