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https://issues.apache.org/jira/browse/HIVE-12431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15076463#comment-15076463
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Lefty Leverenz commented on HIVE-12431:
---------------------------------------

Doc note:  The new configuration parameter *hive.server2.compile.lock.timeout* 
will need to be documented for release 2.1.0 in the HiveServer2 section of 
Configuration Properties.

* [Configuration Properties -- HiveServer2 | 
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-HiveServer2]

> Support timeout for compile lock
> --------------------------------
>
>                 Key: HIVE-12431
>                 URL: https://issues.apache.org/jira/browse/HIVE-12431
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2, Query Processor
>    Affects Versions: 1.2.1
>            Reporter: Lenni Kuff
>            Assignee: Mohit Sabharwal
>              Labels: TODOC2.1
>             Fix For: 2.1.0
>
>         Attachments: HIVE-12431.1.patch, HIVE-12431.2.patch, 
> HIVE-12431.3.patch, HIVE-12431.3.patch, HIVE-12431.patch
>
>
> To help with HiveServer2 scalability, it would be useful to allow users to 
> configure a timeout value for queries waiting to be compiled. If the timeout 
> value is reached then the query would abort. One option to achieve this would 
> be to update the compile lock to use a try-lock with the timeout value.



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