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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4329) Allow fetching exact reason as to why a submitted app is in ACCEPTED state in Fair Scheduler
Date Mon, 03 Oct 2016 10:56:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-4329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542134#comment-15542134
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Naganarasimha G R commented on YARN-4329:
-----------------------------------------

Thanks for working on the patch [~yufeigu] and sorry for the delayed response,
One major comment would be in CS when a node got skipped we were capturing that info too refer
@ {{FiCaSchedulerApp.updateNodeInfoForAMDiagnostics(FiCaSchedulerNode)}}, this would give
some information about why a given node missed to schedule the app too. Since the approach
is different may be we need to handle it slightly differently here but it would be good to
capture
And other minor nits :
* SchedulerApplicationAttempt lno 1030 : Is this comment req ? 
* FSAppAttempt lno 820..833 : line indentation is wrong, needs formatting
* FSAppAttempt lno 838..844 & 995..1000: looks similar may be can be optimized by having
a private method ?
* TestMaxRunningAppsEnforcer : test cases seems to not to cover all the scenarios



> Allow fetching exact reason as to why a submitted app is in ACCEPTED state in Fair Scheduler
> --------------------------------------------------------------------------------------------
>
>                 Key: YARN-4329
>                 URL: https://issues.apache.org/jira/browse/YARN-4329
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler, resourcemanager
>            Reporter: Naganarasimha G R
>            Assignee: Yufei Gu
>         Attachments: YARN-4329.001.patch, YARN-4329.002.patch
>
>
> Similar to YARN-3946, it would be useful to capture possible reason why the Application
is in accepted state in FairScheduler



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