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Posted to issues@tez.apache.org by "Tsuyoshi Ozawa (JIRA)" <ji...@apache.org> on 2016/06/30 22:19:10 UTC

[jira] [Commented] (TEZ-2962) Use per partition stats in shuffle vertex manager auto parallelism

    [ https://issues.apache.org/jira/browse/TEZ-2962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15357961#comment-15357961 ] 

Tsuyoshi Ozawa commented on TEZ-2962:
-------------------------------------

This can be done after TEZ-3303.

> Use per partition stats in shuffle vertex manager auto parallelism
> ------------------------------------------------------------------
>
>                 Key: TEZ-2962
>                 URL: https://issues.apache.org/jira/browse/TEZ-2962
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Bikas Saha
>            Priority: Critical
>
> The original code used output size sent by completed tasks. Recently per partition stats have been added that provide granular information. Using partition stats may be more accurate and also remove the duplicate counting of data size in partition stats and per task overall.



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