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https://issues.apache.org/jira/browse/TEZ-3351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15383267#comment-15383267
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Hitesh Shah commented on TEZ-3351:
----------------------------------

bq. private static final int DAGS_PER_GROUP = 1000;

Additional question: given that the timeline cache plugin is hosted within 
Timeline and could potentially need to handle multiple different deployments of 
Tez, how would it handle different buidls where the group count is different? 

> Handle ATS performance issues for Hive-LLAP.
> --------------------------------------------
>
>                 Key: TEZ-3351
>                 URL: https://issues.apache.org/jira/browse/TEZ-3351
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Harish Jaiprakash
>            Assignee: Harish Jaiprakash
>         Attachments: TEZ-3351.01.patch, TEZ-3351.WIP.01.patch
>
>
> With Hive-LLAP, we have subsecond queries and hence can run lots of queries 
> in a small interval. This can overload ATS with lot of events and create 
> large number of file hdfs. This jira is to reduce performance impact of ATS 
> logging by Tez.



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