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Posted to issues@tez.apache.org by "Jonathan Eagles (JIRA)" <ji...@apache.org> on 2018/09/26 17:22:00 UTC

[jira] [Commented] (TEZ-3819) Round robin partitioner make fair cartesian product not fault tolerant

    [ https://issues.apache.org/jira/browse/TEZ-3819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16629163#comment-16629163 ] 

Jonathan Eagles commented on TEZ-3819:
--------------------------------------

+1. Committing this to master branch-0.10.0, branch-0.9

> Round robin partitioner make fair cartesian product not fault tolerant
> ----------------------------------------------------------------------
>
>                 Key: TEZ-3819
>                 URL: https://issues.apache.org/jira/browse/TEZ-3819
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Zhiyuan Yang
>            Assignee: Zhiyuan Yang
>            Priority: Major
>         Attachments: TEZ-3819.patch
>
>
> In case of task failure and retry, round robin partitioner cannot give consistent partitioning, which can cause wrong output of fair cartesian product.



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