[jira] [Updated] (YARN-10930) Introduce universal capacity resource vector

["Andras Gyori (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-10930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andras Gyori updated YARN-10930:
--------------------------------
    Attachment: capacity_scheduler_queue_capacity.html

> Introduce universal capacity resource vector
> --------------------------------------------
>
>                 Key: YARN-10930
>                 URL: https://issues.apache.org/jira/browse/YARN-10930
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacity scheduler
>            Reporter: Andras Gyori
>            Assignee: Andras Gyori
>            Priority: Major
>         Attachments: capacity_scheduler_queue_capacity.html
>
>
> The proposal is to introduce a capacity resource vector that is universally parsed for every queue. CapacityResourceVector is a way to unite the current capacity modes (weight, percentage, absolute), while maintaining flexibility and extendability.
> CapacityResourceVector is a good fit for the existing capacity configs, for example:
> * percentage mode: root.example.capacity 50 is a syntactic sugar for [memory=50%, vcores=50%, ....]
> * absolute mode: root.example.capacity [memory=1024, vcores=2] is a natural fit for the vector, there is no need for additional settings
> CapacityResourceVector will be used in a future refactor, to unify the resource calculation and lift the limitation imposed on the queue hierarchy capacity settings (eg. can not use both absolute resource and percentage in the same hierarchy etc...)



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