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From "Botong Huang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6128) Add support for AMRMProxy HA
Date Sun, 12 Nov 2017 04:33:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-6128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16248782#comment-16248782
] 

Botong Huang commented on YARN-6128:
------------------------------------

Thanks [~subru] for the comments! v8 patch uploaded. Yes, I double checked. The ugi that we
are loading with Credential tokens is the one {{FederationInterceptor}} uses to talk to home
RM. This _AMRMToken_ won't be passed back to AM and thus we are safe here. 

> 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-6128.v1.patch, YARN-6128.v2.patch,
YARN-6128.v3.patch, YARN-6128.v3.patch, YARN-6128.v4.patch, YARN-6128.v5.patch, YARN-6128.v6.patch,
YARN-6128.v7.patch, YARN-6128.v8.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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