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https://issues.apache.org/jira/browse/YARN-3286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohith updated YARN-3286:
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Attachment: 0001-YARN-3286.patch
> Cleanup RMNode#ReconnectNodeTransition
> --------------------------------------
>
> Key: YARN-3286
> URL: https://issues.apache.org/jira/browse/YARN-3286
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Reporter: Rohith
> Assignee: Rohith
> Attachments: 0001-YARN-3286.patch, YARN-3286-test-only.patch
>
>
> RMNode#ReconnectNodeTransition has messed up for every ReconnectedEvent. This
> part of the code can be clean up where we do not require to remove node and
> add new node every time.
> Supporting to above point, in the issue discussion YARN-3222 mentioned in the
> comment
> [link1|https://issues.apache.org/jira/browse/YARN-3222?focusedCommentId=14339799&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14339799]
> and
> [link2|https://issues.apache.org/jira/browse/YARN-3222?focusedCommentId=14344739&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14344739]
> Clean up can do the following things
> # It always remove an old node and add a new node. This is not really
> required, instead old node can be updated with new values.
> # RMNode#totalCapability has stale capability after NM is reconnected.
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