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https://issues.apache.org/jira/browse/YARN-4166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15996225#comment-15996225
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Yang Wang commented on YARN-4166:
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Update the patch according to [~Naganarasimha]'s suggestion
# *updateContainerResource* has updated to be abstract,
*DefaultContainerExecutor* has an empty implementation.
# *ResourceHandlerException* will be thrown when container resource update
failed.
# *ContainerExecutor().updateContainerResource* failed, need to persist
container resource change for recovery again.
# CGroupsCpuResourceHandlerImpl will not invoke *cGroupsHandler.deleteCGroup*
when updateContainerResource, ResourceHandlerException will be caught in
ContainerManagerImpl, then add to failedContainers
# *void updateContainerResource*
# Add test *testContainerManager.testUpdateContainerResourceFailed*
# fix checkstyle issue
> Support changing container cpu resource
> ---------------------------------------
>
> Key: YARN-4166
> URL: https://issues.apache.org/jira/browse/YARN-4166
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: api, nodemanager, resourcemanager
> Affects Versions: 2.8.0, 3.0.0-alpha2
> Reporter: Jian He
> Assignee: Yang Wang
> Attachments: YARN-4166.001.patch, YARN-4166.002.patch,
> YARN-4166.003.patch, YARN-4166.004.patch, YARN-4166-branch2.8-001.patch
>
>
> Memory resizing is now supported, we need to support the same for cpu.
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