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From "kartheek muthyala (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6979) Add flag to notify all types of container updates to NM via NodeHeartbeatResponse
Date Mon, 21 Aug 2017 04:08:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16134685#comment-16134685

kartheek muthyala commented on YARN-6979:

Thank you Arun for the review and committing this to trunk.

> Add flag to notify all types of container updates to NM via NodeHeartbeatResponse
> ---------------------------------------------------------------------------------
>                 Key: YARN-6979
>                 URL: https://issues.apache.org/jira/browse/YARN-6979
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Arun Suresh
>            Assignee: kartheek muthyala
>             Fix For: 2.9.0, 3.0.0-beta1
>         Attachments: YARN-6979.001.patch, YARN-6979.002.patch, YARN-6979.003.patch, YARN-6979.addendum-001.patch
> Currently, only the Container Resource decrease command is sent to the NM via NodeHeartbeat
response. This JIRA proposes to add a flag in the RM to allow ALL container updates (increase,
decrease, promote and demote) to be initiated via node HB.
> The AM is still free to use the ContainerManagementPrototol's {{updateContainer}} API
in cases where for instance, the Node HB frequency is very low and the AM needs to update
the container as soon as possible. In these situations, if the Node HB arrives before the
updateContainer API call, the call would error out, due to a version mismatch and the AM is
required to handle it.

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