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From "Subru Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-4271) Make the NodeManager's health checker service pluggable
Date Fri, 16 Oct 2015 01:26:06 GMT

     [ https://issues.apache.org/jira/browse/YARN-4271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Subru Krishnan reassigned YARN-4271:
------------------------------------

    Assignee: Subru Krishnan  (was: Kishore Chaliparambil)

> Make the NodeManager's health checker service pluggable
> -------------------------------------------------------
>
>                 Key: YARN-4271
>                 URL: https://issues.apache.org/jira/browse/YARN-4271
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>            Reporter: Subru Krishnan
>            Assignee: Subru Krishnan
>            Priority: Minor
>             Fix For: 2.8.0
>
>
> 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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