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From László Bodor (Jira) <j...@apache.org>
Subject [jira] [Commented] (HIVE-16690) Configure Tez cartesian product edge based on LLAP cluster size
Date Tue, 10 Dec 2019 15:58:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16992684#comment-16992684
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László Bodor commented on HIVE-16690:
-------------------------------------

vectorized_mapjoin3 seems related, changed ordering in llap, uploading new patch


> Configure Tez cartesian product edge based on LLAP cluster size
> ---------------------------------------------------------------
>
>                 Key: HIVE-16690
>                 URL: https://issues.apache.org/jira/browse/HIVE-16690
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Zhiyuan Yang
>            Assignee: László Bodor
>            Priority: Major
>         Attachments: HIVE-16690.1.patch, HIVE-16690.2.patch, HIVE-16690.2.patch, HIVE-16690.2.patch,
HIVE-16690.2.patch, HIVE-16690.2.patch, HIVE-16690.2.patch, HIVE-16690.2.patch, HIVE-16690.2.patch,
HIVE-16690.addendum.patch
>
>
> In HIVE-14731 we are using default value for target parallelism of fair cartesian product
edge. Ideally this should be set according to cluster size. In case of LLAP it's pretty easy
to get cluster size, i.e., number of executors.



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