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https://issues.apache.org/jira/browse/TEZ-2784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14737250#comment-14737250
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Bikas Saha commented on TEZ-2784:
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does this need a backport to branch 7?
> 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
> Fix For: 0.8.1
>
> 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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