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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4470) HS2 should disable local query execution
Date Fri, 26 Jul 2013 21:33:50 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13721246#comment-13721246
] 

Gunther Hagleitner commented on HIVE-4470:
------------------------------------------

Hehe. Yeah, btw: hive.conf.restricted.list should probably also be in the restricted list.
                
> HS2 should disable local query execution
> ----------------------------------------
>
>                 Key: HIVE-4470
>                 URL: https://issues.apache.org/jira/browse/HIVE-4470
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>            Reporter: Thejas M Nair
>
> Hive can run queries in local mode (instead of using a cluster), if the size is small.
This happens when "hive.exec.mode.local.auto" is set to true.
> This would affect the stability of the hive server2 node, if you have heavy query processing
happening on it. Bugs in udfs triggered by a bad record can potentially add very heavy load
making the server inaccessible. 
> By default, HS2 should set these parameters to disallow local execution or send and error
message if user tries to set these.

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