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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1343) NodeManagers additions/restarts are not reported as node updates in AllocateResponse responses to AMs
Date Wed, 30 Oct 2013 23:32:25 GMT

    [ https://issues.apache.org/jira/browse/YARN-1343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13809753#comment-13809753
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Bikas Saha commented on YARN-1343:
----------------------------------

Can you please double check that testReconnectWithDifferentCapacity is actually resulting
in reconnection? The test alters the existing node's capacity and thus I would expect the
equality check in ReconnectTransition to consider the nodes same as before. We probably need
to create a new node with same name and different capacity. Maybe stepping through in the
debugger may show whats really happening.
If reconnect with different capability code is getting executed then I would expect mock rm
context to have to mock getRMNodes() method and a listener to be added for RMNodeEvents. Or
else the test will have exceptions in the output.

> NodeManagers additions/restarts are not reported as node updates in AllocateResponse
responses to AMs
> -----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-1343
>                 URL: https://issues.apache.org/jira/browse/YARN-1343
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.2.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>            Priority: Critical
>             Fix For: 2.2.1
>
>         Attachments: YARN-1343.patch, YARN-1343.patch, YARN-1343.patch
>
>
> If a NodeManager joins the cluster or gets restarted, running AMs never receive the node
update indicating the Node is running.



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