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