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From "Kishore Chaliparambil (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2884) Proxying all AM-RM communications
Date Tue, 28 Jul 2015 19:33:06 GMT

     [ https://issues.apache.org/jira/browse/YARN-2884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kishore Chaliparambil updated YARN-2884:
----------------------------------------
    Attachment: YARN-2884-V4.patch

Fixed the checkstyle issues.

Could not address couple of issues:
1) Checkstyle: YarnConfiguration.java - File length exceeds 2000 lines.
2) Findbug report is empty

> 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-V2.patch, YARN-2884-V3.patch, YARN-2884-V4.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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