[jira] [Updated] (YARN-11401) Separate AppMaster cleanup events and launcher event into different resource pools

["Daniel Ma (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-11401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Ma updated YARN-11401:
-----------------------------
    Summary: Separate AppMaster cleanup events and launcher event into different resource pools  (was: Separate ApplicationMaster cleanup events and launch event into different resource pool)

> Separate AppMaster cleanup events and launcher event into different resource pools
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-11401
>                 URL: https://issues.apache.org/jira/browse/YARN-11401
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Daniel Ma
>            Priority: Major
>
> Currently, there is only one thread pool to handle AM launch and cleanup event by ResourceManager, 
> In some cases, too many cleanup event will lead to AM launch stuck for a long time.
> So in this patch, We divide the shared resource pool into two separated ones to handle different event in case that a flood event of one kind may block other kinds for a long time.



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