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From "Subru Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5531) UnmanagedAM pool manager for federating application across clusters
Date Mon, 08 May 2017 23:32:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-5531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16001790#comment-16001790
] 

Subru Krishnan commented on YARN-5531:
--------------------------------------

Thanks [~botong] for addressing my feedback. The latest patch (v8) LGTM. I only have a few
nits:
  * Please do *not* log _Token_ in {{YarnServerSecurityUtils::createRMProxy}} as it's not
safe.
  * *rmName* is redundant in {{YarnServerSecurityUtils::createRMProxy}} as the RM_CLUSTER_ID
is already in the conf.
  * Based on above comment, we don't need {{UnmanagedApplicationManager::createRMProxy}}.
  * Looks like you missed one of my comments:
    bq. UnmanagedAMLauncher::submitAppAndGetAppId can be void.

[~kasha], it'll be good if you take a quick look before I commit.

> UnmanagedAM pool manager for federating application across clusters
> -------------------------------------------------------------------
>
>                 Key: YARN-5531
>                 URL: https://issues.apache.org/jira/browse/YARN-5531
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Subru Krishnan
>            Assignee: Botong Huang
>         Attachments: YARN-5531-YARN-2915.v1.patch, YARN-5531-YARN-2915.v2.patch, YARN-5531-YARN-2915.v3.patch,
YARN-5531-YARN-2915.v4.patch, YARN-5531-YARN-2915.v5.patch, YARN-5531-YARN-2915.v6.patch,
YARN-5531-YARN-2915.v7.patch, YARN-5531-YARN-2915.v8.patch
>
>
> One of the main tenets the YARN Federation is to *transparently* scale applications across
multiple clusters. This is achieved by running UAMs on behalf of the application on other
clusters. This JIRA tracks the addition of a UnmanagedAM pool manager for federating application
across clusters which will be used the FederationInterceptor (YARN-3666) which is part of
the AMRMProxy pipeline introduced in YARN-2884.



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