[jira] [Updated] (HIVE-10647) Hive on LLAP: Limit HS2 from overwhelming LLAP

["Vikram Dixit K (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-10647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vikram Dixit K updated HIVE-10647:
----------------------------------
    Attachment: HIVE-10647.2.patch

Changed to use a semaphore. I do not see a specific need to grow the size beyond 1 in the default case because:

1. If it is the cli mode, the user basically never lets go of the session and 1 is all they need.
2. If it is hs2, the user needs to configure this correctly anyways.

I can change it to a large number but don't really see a good reason for it.

> Hive on LLAP: Limit HS2 from overwhelming LLAP
> ----------------------------------------------
>
>                 Key: HIVE-10647
>                 URL: https://issues.apache.org/jira/browse/HIVE-10647
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez
>    Affects Versions: llap
>            Reporter: Vikram Dixit K
>            Assignee: Vikram Dixit K
>         Attachments: HIVE-10647.1.patch, HIVE-10647.2.patch
>
>
> We want to restrict the number of queries that flow through LLAP. 



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