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Posted to issues@tez.apache.org by "Harish Jaiprakash (JIRA)" <ji...@apache.org> on 2017/02/07 11:07:41 UTC

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

     [ https://issues.apache.org/jira/browse/TEZ-3609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harish Jaiprakash updated TEZ-3609:
-----------------------------------
    Attachment: TEZ-3609.01.patch

Removing application entity id generation from TimelineCachePluginImpl for dag entities.

[~sseth] Please review.

> 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
>         Attachments: TEZ-3609.01.patch
>
>
> 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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