Vinod Kumar Vavilapalli resolved YARN-2095.

    Resolution: Invalid

[~sunliners81], we have run much bigger jobs (100K maps) and those that run for 
long time without any issues. There is only one limitation that I know of - in 
secure clusters tokens expire after 7 days.

In any case, please pursue this on user mailing lists and create a bug when you 
are sure there is one. Closing this as invalid for now, please reopen if you 

> Large MapReduce Job stops responding
> ------------------------------------
>                 Key: YARN-2095
>                 URL: https://issues.apache.org/jira/browse/YARN-2095
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.2.0
>         Environment: CentOS 6.3 (x86_64) on vmware 10 running HDP-2.0.6
>            Reporter: Clay McDonald
>            Priority: Blocker
> Very large jobs (7,455 Mappers and 999 Reducers) hang. Jobs run well but 
> logging to container logs stop after running 33 hours. The job appears to be 
> hung. The status of the job is "RUNNING". No error messages found in logs.

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