[jira] [Comment Edited] (YARN-6158) FairScheduler: app usage can go to negative

["Miklos Szegedi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-6158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15860301#comment-15860301 ] 

Miklos Szegedi edited comment on YARN-6158 at 2/9/17 10:18 PM:
---------------------------------------------------------------

I just noticed, I think it is the same issue as YARN-3933. This patch copies, what CapacityScheduler does, so it helps any refactoring in the future to merge some codebase.


was (Author: miklos.szegedi@cloudera.com):
I just noticed, think it is the same issue as YARN-3933. This patch copies, what CapacityScheduler does, so it helps any refactoring in the future to merge some codebase.

> FairScheduler: app usage can go to negative
> -------------------------------------------
>
>                 Key: YARN-6158
>                 URL: https://issues.apache.org/jira/browse/YARN-6158
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler, resourcemanager
>    Affects Versions: 3.0.0-alpha2
>            Reporter: Miklos Szegedi
>            Assignee: Miklos Szegedi
>         Attachments: YARN-6158.000.patch
>
>
> FiCaSchedulerApp.containerCompleted checks, if the container being completed is in the active list:
> {code}
>       // Remove from the list of containers
>       if (null == liveContainers.remove(containerId)) {
>         return false;
>       }
> {code}
> Fair scheduler should do the same, otherwise multiple different container close events leave the application with negative resource usage in {{queue.getMetrics().releaseResources}} and {{attemptResourceUsage.decUsed}}



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