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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2399) FairScheduler: Merge AppSchedulable and FSSchedulerApp into FSAppAttempt
Date Sat, 09 Aug 2014 01:38:12 GMT

     [ https://issues.apache.org/jira/browse/YARN-2399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Karthik Kambatla updated YARN-2399:

    Attachment: yarn-2399-1.patch

Here is a patch that merges the two. I have kept most of the code as is, and made minor improvements
at places that change one to the other. 

Verified locally that the tests pass. Given this is a huge change, I would like to get this
in ASAP and fix up any minor issues/concerns in follow-up patches. 

> FairScheduler: Merge AppSchedulable and FSSchedulerApp into FSAppAttempt
> ------------------------------------------------------------------------
>                 Key: YARN-2399
>                 URL: https://issues.apache.org/jira/browse/YARN-2399
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>    Affects Versions: 2.5.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>         Attachments: yarn-2399-1.patch
> FairScheduler has two data structures for an application, making the code hard to track.
We should merge these for better maintainability in the long-term. 

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