[jira] [Created] (TEZ-3609) Improve ATSv15 performance for DAG entities read calls.

[Harish Jaiprakash (JIRA)]

Harish Jaiprakash created TEZ-3609:
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             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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