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https://issues.apache.org/jira/browse/YARN-2884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14730991#comment-14730991
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Kishore Chaliparambil commented on YARN-2884:
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I investigated the Findbug and test failures.
The test failures seem to be transient and does not happen on local builds.
Also the Findbug report is empty and has no information.
> Proxying all AM-RM communications
> ---------------------------------
>
> Key: YARN-2884
> URL: https://issues.apache.org/jira/browse/YARN-2884
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Reporter: Carlo Curino
> Assignee: Kishore Chaliparambil
> Attachments: YARN-2884-V1.patch, YARN-2884-V10.patch,
> YARN-2884-V11.patch, YARN-2884-V12.patch, YARN-2884-V2.patch,
> YARN-2884-V3.patch, YARN-2884-V4.patch, YARN-2884-V5.patch,
> YARN-2884-V6.patch, YARN-2884-V7.patch, YARN-2884-V8.patch, YARN-2884-V9.patch
>
>
> We introduce the notion of an RMProxy, running on each node (or once per
> rack). Upon start the AM is forced (via tokens and configuration) to direct
> all its requests to a new services running on the NM that provide a proxy to
> the central RM.
> This give us a place to:
> 1) perform distributed scheduling decisions
> 2) throttling mis-behaving AMs
> 3) mask the access to a federation of RMs
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