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Posted to issues@tez.apache.org by "Rajesh Balamohan (JIRA)" <ji...@apache.org> on 2015/09/08 08:27:45 UTC

[jira] [Updated] (TEZ-2784) micro optimization: optimize TaskImpl.isFinished()

     [ https://issues.apache.org/jira/browse/TEZ-2784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajesh Balamohan updated TEZ-2784:
----------------------------------
    Attachment: TEZ-2784.1.patch
                AM_Profiler_snapshot.jpg

> micro optimization: optimize TaskImpl.isFinished()
> --------------------------------------------------
>
>                 Key: TEZ-2784
>                 URL: https://issues.apache.org/jira/browse/TEZ-2784
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>         Attachments: AM_Profiler_snapshot.jpg, TEZ-2784.1.patch
>
>
> getInternalState() gets called multiple times within the same method within read lock. This shows up in the AM profiler when executing large jobs.



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