Aihua Xu commented on HIVE-19878:

[~windpiger] I checked the patch and it's promising. Do you want to contribute 
to the patch? If so, can you assign to yourself and attach the patch with the 
name HIVE-19878.1.patch to trigger the pre-commit build? Thanks.

> Hive On Spark support AM shut down when there is no job submit
> --------------------------------------------------------------
>                 Key: HIVE-19878
>                 URL: https://issues.apache.org/jira/browse/HIVE-19878
>             Project: Hive
>          Issue Type: New Feature
>          Components: Spark
>            Reporter: Song Jun
>            Priority: Minor
>         Attachments: HIVE-19878.patch.1
> the Application Master of Hive on Spark always live on the yarn if the Hive 
> client do not exit(such as one session in HiveServer2), which will accupy 
> lots of resources, we should control the AM shut down when there is no more 
> jobs submit.
> Now Tez use the param  ` tez.session.am.dag.submit.timeout.secs` to control 
> the DAGAppMaster on the yarn to shut down.
> So here Spark need to do this too.

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