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From "Botong Huang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6128) Add support for AMRMProxy HA
Date Tue, 31 Oct 2017 22:20:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16227701#comment-16227701

Botong Huang commented on YARN-6128:

Following up on [~subru]'s suggestion in https://issues.apache.org/jira/browse/YARN-6704?focusedCommentId=16088357&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16088357,
storing the uam tokens in registry rather than NMSS, and recovering running containers from
RM directly. As a result, I am making YARN-6704 dependent on this Jira, and refactor some
UAM code changes to here, v1 uploaded. 

> Add support for AMRMProxy HA
> ----------------------------
>                 Key: YARN-6128
>                 URL: https://issues.apache.org/jira/browse/YARN-6128
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: amrmproxy, nodemanager
>            Reporter: Subru Krishnan
>            Assignee: Botong Huang
>         Attachments: YARN-6128.v0.patch, YARN-6128.v1.patch
> YARN-556 added the ability for RM failover without loosing any running applications.
In a Federated YARN environment, there's additional state in the {{AMRMProxy}} to allow for
spanning across multiple sub-clusters, so we need to enhance {{AMRMProxy}} to support HA.

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