[jira] [Assigned] (IMPALA-12622) Add admission controller clamp settings for dedicated coordinator memory estimates

["Andrew Sherman (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-12622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Sherman reassigned IMPALA-12622:
---------------------------------------

    Assignee: Abhishek Rawat  (was: Andrew Sherman)

> Add admission controller clamp settings for dedicated coordinator memory estimates
> ----------------------------------------------------------------------------------
>
>                 Key: IMPALA-12622
>                 URL: https://issues.apache.org/jira/browse/IMPALA-12622
>             Project: IMPALA
>          Issue Type: Task
>          Components: Backend
>            Reporter: Abhishek Rawat
>            Assignee: Abhishek Rawat
>            Priority: Critical
>
> It could be useful to support admission controller min and max memory clamp settings for dedicated coordinator memory estimates. This will help with edge cases where planner's memory estimation for coordinator could be underestimated/overestimated. This would be similar to memory limits that we have today for executors:
>  
> {code:java}
> impala.admission-control.min-query-mem-limit.<resource_pool>
> impala.admission-control.max-query-mem-limit.<resource_pool>
> {code}
>  



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