[jira] [Updated] (YARN-6040) Remove usage of ResourceRequest from AppSchedulerInfo / SchedulerApplicationAttempt

["Wangda Tan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-6040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wangda Tan updated YARN-6040:
-----------------------------
    Summary: Remove usage of ResourceRequest from AppSchedulerInfo / SchedulerApplicationAttempt  (was: [YARN-5139] Remove usage of ResourceRequest from AppSchedulerInfo / SchedulerApplicationAttempt)

> Remove usage of ResourceRequest from AppSchedulerInfo / SchedulerApplicationAttempt
> -----------------------------------------------------------------------------------
>
>                 Key: YARN-6040
>                 URL: https://issues.apache.org/jira/browse/YARN-6040
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>
> As mentioned by YARN-5906, currently schedulers are using ResourceRequest heavily so it will be very hard to adopt the new PowerfulResourceRequest (YARN-4902).
> This JIRA is the 2nd step of refactoring, which remove usage of ResourceRequest from AppSchedulingInfo / SchedulerApplicationAttempt. Instead of returning ResourceRequest, it returns a lightweight and API-independent object - {{PendingAsk}}.
> The only remained ResourceRequest API of AppSchedulingInfo will be used by web service to get list of ResourceRequests.
> So after this patch, usage of ResourceRequest will be isolated inside AppSchedulingInfo, so it will be more flexible to update internal data structure and upgrade old ResourceRequest API to new.



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