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From "Rohith (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3286) Cleanup RMNode#ReconnectNodeTransition
Date Wed, 01 Apr 2015 12:03:52 GMT

     [ https://issues.apache.org/jira/browse/YARN-3286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rohith updated YARN-3286:
-------------------------
         Description: 
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.

  was:
This is found while fixing 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]

And RMNode#ReconnectNodeTransition clean up : It always remove an old node and add a new node.
This need to be examined whether this is really required.

    Target Version/s: 2.8.0
          Issue Type: Improvement  (was: Bug)
             Summary: Cleanup RMNode#ReconnectNodeTransition  (was: RMNode#totalCapability
has stale capability after NM is reconnected.)

> 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: 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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