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Date: Mon, 21 Aug 2017 04:08:00 +0000 (UTC)
From: "kartheek muthyala (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13093623.1502318945000.75797.1503288480292@Atlassian.JIRA>
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References: <JIRA.13093623.1502318945000@Atlassian.JIRA> <JIRA.13093623.1502318945782@jira-lw-us.apache.org>
Subject: [jira] [Commented] (YARN-6979) Add flag to notify all types of
 container updates to NM via NodeHeartbeatResponse
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archived-at: Mon, 21 Aug 2017 04:08:05 -0000


    [ 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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