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https://issues.apache.org/jira/browse/HIVE-14162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16324429#comment-16324429
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BELUGA BEHR commented on HIVE-14162:
------------------------------------

The size of the driver is only configurable before the ApplicationMaster is 
running.  Once it's running, my understanding is that there is no way to change 
it.  Setting Executors down to 0 might be a good option.  I have contributed my 
thoughts to this ticket because I have spoken with several institutions that 
have complained about giving up resources to people that are not even using 
them, especially in a 24x7 cluster where users forgetting to log out in one 
time zone uses resources available to another time zone.  I cannot however say 
that setting the minimum to 0 would work for everyone: there is still the 
ApplicaitonMaster.

> Allow disabling of long running job on Hive On Spark On YARN
> ------------------------------------------------------------
>
>                 Key: HIVE-14162
>                 URL: https://issues.apache.org/jira/browse/HIVE-14162
>             Project: Hive
>          Issue Type: New Feature
>          Components: Spark
>            Reporter: Thomas Scott
>            Assignee: Aihua Xu
>            Priority: Minor
>         Attachments: HIVE-14162.1.patch
>
>
> Hive On Spark launches a long running process on the first query to handle 
> all queries for that user session. In some use cases this is not desired, for 
> instance when using Hue with large intervals between query executions.
> Could we have a property that would cause long running spark jobs to be 
> terminated after each query execution and started again for the next one?



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