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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3942) Timeline store to read events from HDFS
Date Mon, 14 Sep 2015 14:48:48 GMT

    [ https://issues.apache.org/jira/browse/YARN-3942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14743621#comment-14743621
] 

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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