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https://issues.apache.org/jira/browse/YARN-4138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15134878#comment-15134878
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MENG DING commented on YARN-4138:
---------------------------------
The difference between the two allocationExpirationInfo is that the second one
resets the start time for timeout. But honestly, you are right that there is
really no harm done if we set lastConfirmedResource as nmContainerResource when
rmContainerResource > nmContainerContainer.
> Roll back container resource allocation after resource increase token expires
> -----------------------------------------------------------------------------
>
> Key: YARN-4138
> URL: https://issues.apache.org/jira/browse/YARN-4138
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: api, nodemanager, resourcemanager
> Reporter: MENG DING
> Assignee: MENG DING
> Attachments: YARN-4138-YARN-1197.1.patch,
> YARN-4138-YARN-1197.2.patch, YARN-4138.3.patch, YARN-4138.4.patch,
> YARN-4138.5.patch
>
>
> In YARN-1651, after container resource increase token expires, the running
> container is killed.
> This ticket will change the behavior such that when a container resource
> increase token expires, the resource allocation of the container will be
> reverted back to the value before the increase.
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