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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6492) limit partition number involved in a table scan
Date Wed, 26 Mar 2014 23:06:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13948609#comment-13948609
] 

Alan Gates commented on HIVE-6492:
----------------------------------

Ran the tests locally, all looks good.

> limit partition number involved in a table scan
> -----------------------------------------------
>
>                 Key: HIVE-6492
>                 URL: https://issues.apache.org/jira/browse/HIVE-6492
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>    Affects Versions: 0.12.0
>            Reporter: Selina Zhang
>            Assignee: Ashutosh Chauhan
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6492.1.patch.txt, HIVE-6492.2.patch.txt, HIVE-6492.3.patch.txt,
HIVE-6492.4.patch.txt, HIVE-6492.4.patch_suggestion, HIVE-6492.5.patch.txt, HIVE-6492.6.patch.txt,
HIVE-6492.7.parch.txt
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> To protect the cluster, a new configure variable "hive.limit.query.max.table.partition"
is added to hive configuration to
> limit the table partitions involved in a table scan. 
> The default value will be set to -1 which means there is no limit by default. 
> This variable will not affect "metadata only" query.



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