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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4479) Retrospect app-priority in pendingOrderingPolicy during recovering applications
Date Mon, 21 Dec 2015 10:28:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-4479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15066294#comment-15066294
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Sunil G commented on YARN-4479:
-------------------------------

Adding to this,
Application which is in RUNNING state prior to restart will still be in RUNNING state. However,
it will *NOT* be getting any new containers until its been made active again when other high
priority applications are completed.

Patch generally looks fine, I will give some comments after checking patch more detail.

> Retrospect app-priority in pendingOrderingPolicy during recovering applications
> -------------------------------------------------------------------------------
>
>                 Key: YARN-4479
>                 URL: https://issues.apache.org/jira/browse/YARN-4479
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api, resourcemanager
>            Reporter: Rohith Sharma K S
>            Assignee: Rohith Sharma K S
>         Attachments: 0001-YARN-4479.patch
>
>
> Currently, same ordering policy is used for pending applications and active applications.
When priority is configured for an applications, during recovery high priority application
get activated first. It is possible that low priority job was submitted and running state.

> This causes low priority job in starvation after recovery



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