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From "Harish Jaiprakash (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TEZ-3609) Improve ATSv15 performance for DAG entities read calls.
Date Tue, 07 Feb 2017 10:44:41 GMT
Harish Jaiprakash created TEZ-3609:
--------------------------------------

             Summary: Improve ATSv15 performance for DAG entities read calls.
                 Key: TEZ-3609
                 URL: https://issues.apache.org/jira/browse/TEZ-3609
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Harish Jaiprakash
            Assignee: Harish Jaiprakash


TimelineCachePluginImpl generates TimelineEntityGroupId.newInstance(appId, appId.toString())
as an EntityGroupId for dag entities. This results entities in file based on application EntityGroupId
to loaded by ATS during a read operation. This file can become very large in long running
AM and causes timeout and delays in ATS.

Removing this id, reduces this parsing time and prevents the application entities from being
loaded into cache.



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