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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8601) Fix auto_sortmerge_join_16 determinism
Date Sun, 26 Oct 2014 01:09:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14184343#comment-14184343
] 

Xuefu Zhang commented on HIVE-8601:
-----------------------------------

+1

> Fix auto_sortmerge_join_16 determinism
> --------------------------------------
>
>                 Key: HIVE-8601
>                 URL: https://issues.apache.org/jira/browse/HIVE-8601
>             Project: Hive
>          Issue Type: Test
>            Reporter: Szehon Ho
>            Assignee: Szehon Ho
>         Attachments: HIVE-8601.2.patch, HIVE-8601.patch
>
>
> Auto_sortmerge_join_16.q results are not deterministic, as it spawns multiple mapper
to do the SMB (there's no reducer).  It also has high concurrency (12 buckets in each table).



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