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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4511) Common scheduler changes supporting scheduler-specific implementations
Date Tue, 24 Oct 2017 20:19:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-4511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217620#comment-16217620
] 

Arun Suresh commented on YARN-4511:
-----------------------------------

So with regard to the extra synchronization in {{swapContainer()}}, please make sure to test
it either via SLS / running actual jobs - since there can be a possibility of deadlock (ok
- not dead lock, but quite perceptible slow down) if the node in question tries to perform
a heartbeat during the allocate call.
I am thinking maybe we split this patch:
* Keep this patch to track modifications required for addition of the OverAllocationInfo
* Have another patch for the changes to the {{swapContainer}} etc. That way, we can actually
see how the modifications to the ContainerUpdateContext are being used.
Thoughts?

> Common scheduler changes supporting scheduler-specific implementations
> ----------------------------------------------------------------------
>
>                 Key: YARN-4511
>                 URL: https://issues.apache.org/jira/browse/YARN-4511
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Wangda Tan
>            Assignee: Haibo Chen
>         Attachments: YARN-4511-YARN-1011.00.patch, YARN-4511-YARN-1011.01.patch, YARN-4511-YARN-1011.02.patch,
YARN-4511-YARN-1011.03.patch, YARN-4511-YARN-1011.04.patch, YARN-4511-YARN-1011.05.patch,
YARN-4511-YARN-1011.06.patch, YARN-4511-YARN-1011.07.patch, YARN-4511-YARN-1011.08.patch
>
>




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