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https://issues.apache.org/jira/browse/YARN-9698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17000178#comment-17000178
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Manikandan R commented on YARN-9698:
------------------------------------

Reg "Size Based Fairness deep dived" feature's comment "TODO: Is there a 
similar config in CS?" in attached pdf,

yarn.scheduler.fair.sizebasedweight usage in FairSharePolicy of FS is 
equivalent to fair.enable-size-based-weight in FairOrderingPolicy of CS but 
implementation slightly varies. For ex, FairSharePolicy of FS consider app 
priority for weight calculation.

 Also, YARN-10043 has been created to address comment "Is Fair policy 
comparable in FS to CS?" of Queue Ordering Policies feature in pdf.

> [Umbrella] Tools to help migration from Fair Scheduler to Capacity Scheduler
> ----------------------------------------------------------------------------
>
>                 Key: YARN-9698
>                 URL: https://issues.apache.org/jira/browse/YARN-9698
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacity scheduler
>            Reporter: Weiwei Yang
>            Priority: Major
>              Labels: fs2cs
>         Attachments: FS-CS Migration.pdf
>
>
> We see some users want to migrate from Fair Scheduler to Capacity Scheduler, 
> this Jira is created as an umbrella to track all related efforts for the 
> migration, the scope contains
>  * Bug fixes
>  * Add missing features
>  * Migration tools that help to generate CS configs based on FS, validate 
> configs etc
>  * Documents
> this is part of CS component, the purpose is to make the migration process 
> smooth.



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