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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2393) Fair Scheduler : Implement steady fair share
Date Thu, 21 Aug 2014 20:17:12 GMT

     [ https://issues.apache.org/jira/browse/YARN-2393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla updated YARN-2393:
-----------------------------------

    Attachment: yarn-2393-4.patch

The latest patch looks mostly good. Uploading a new patch that improves the javadoc for SchedulingPolicy
describing the differences between steady and instantaneous shares. 

[~ywskycn] - can you check if the javadoc changes are reasonable? 

> Fair Scheduler : Implement steady fair share
> --------------------------------------------
>
>                 Key: YARN-2393
>                 URL: https://issues.apache.org/jira/browse/YARN-2393
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>            Reporter: Ashwin Shankar
>            Assignee: Wei Yan
>         Attachments: YARN-2393-1.patch, YARN-2393-2.patch, YARN-2393-3.patch, yarn-2393-4.patch
>
>
> Static fair share is a fair share allocation considering all(active/inactive) queues.It
would be shown on the UI for better predictability of finish time of applications.
> We would compute static fair share only when needed, like on queue creation, node added/removed.
Please see YARN-2026 for discussions on this. 



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