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From "Subru Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2037) Add restart support for Unmanaged AMs
Date Thu, 28 Sep 2017 18:37:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-2037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16184620#comment-16184620
] 

Subru Krishnan commented on YARN-2037:
--------------------------------------

[~botong], I am preparing to commit the patch when I realized something; we are adding work
preserving restart for UAM and so should update the Javadocs accordingly:
* In {{ApplicationMasterProtocol}} to call out that for UnmanagedAM HA, we do allow re-register
now, based on *ApplicationSubmissionContext#keepContainers* flag.
* In getter/setter for *keepContainers* in {{ApplicationSubmissionContext}} to say that UnmanagedAMs
can now set it for work preserving restart through re-registration.

Thanks.

> Add restart support for Unmanaged AMs
> -------------------------------------
>
>                 Key: YARN-2037
>                 URL: https://issues.apache.org/jira/browse/YARN-2037
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.4.0
>            Reporter: Karthik Kambatla
>            Assignee: Botong Huang
>         Attachments: YARN-2037.v1.patch
>
>
> It would be nice to allow Unmanaged AMs also to restart in a work-preserving way. 



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