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From "Wei Shao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3808) Proposal of Time Based Fair Scheduling for YARN
Date Tue, 16 Jun 2015 04:23:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-3808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Wei Shao updated YARN-3808:
    Attachment: ProposalOfTimeBasedFairSchedulingForYARN-V1.0.pdf

> Proposal of Time Based Fair Scheduling for YARN
> -----------------------------------------------
>                 Key: YARN-3808
>                 URL: https://issues.apache.org/jira/browse/YARN-3808
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler, scheduler
>            Reporter: Wei Shao
>         Attachments: ProposalOfTimeBasedFairSchedulingForYARN-V1.0.pdf
> This proposal talks about the issues of YARN fair scheduling policy, and tries to solve
them by YARN-3806 and the new scheduling policy called time based fair scheduling.
> Time based fair scheduling policy is proposed to enforces time based fairness among users.
For example, if two users share the cluster weekly, each user’s fair share is half of the
cluster per week. At a particular week, if the first user has used the whole cluster for first
half of the week, then in second half of the week, second user will always have priority to
use cluster resources since the first user has used up its fair share of the cluster already.

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