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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1923) Make FairScheduler resource ratio calculations terminate faster
Date Mon, 29 Jun 2015 21:43:05 GMT

     [ https://issues.apache.org/jira/browse/YARN-1923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla updated YARN-1923:
-----------------------------------
    Component/s:     (was: scheduler)
                 fairscheduler

> Make FairScheduler resource ratio calculations terminate faster
> ---------------------------------------------------------------
>
>                 Key: YARN-1923
>                 URL: https://issues.apache.org/jira/browse/YARN-1923
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>            Reporter: Anubhav Dhoot
>            Assignee: Anubhav Dhoot
>             Fix For: 2.5.0
>
>         Attachments: YARN-1923.002.patch, YARN-1923.patch
>
>
> In fair scheduler computing shares continues till iterations are complete even when we
have a perfect match between the resource shares and total resources. This is because the
binary search checks only less or greater and not equals. Add an early termination condition
when its equal



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