Jason Lowe commented on YARN-3942:

Thanks for trying out the patch, [~gss2002]!  Sorry to hear it's been crashing 
in your setup.  If you could provide a bit more details on the types of crashes 
(e.g.: stacktraces) that would be very helpful.  If they are OOM type of 
crashes then it could either be the Hive session reuse problem that Hitesh 
mentioned or possibly there are too many jobs being cached simultaneously for 
the heap size being used by the ATS.

> Timeline store to read events from HDFS
> ---------------------------------------
>                 Key: YARN-3942
>                 URL: https://issues.apache.org/jira/browse/YARN-3942
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: timelineserver
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: YARN-3942.001.patch
> This adds a new timeline store plugin that is intended as a stop-gap measure 
> to mitigate some of the issues we've seen with ATS v1 while waiting for ATS 
> v2.  The intent of this plugin is to provide a workable solution for running 
> the Tez UI against the timeline server on a large-scale clusters running many 
> thousands of jobs per day.

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