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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3170) YARN architecture document needs updating
Date Wed, 13 May 2015 15:47:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14542132#comment-14542132

Allen Wittenauer commented on YARN-3170:

split up the two major functionalities such as resource management

... split up the functionalities of resource management ...

NodeManager , form 

Drop the comma.

system.The NodeManager 


 The ApplicationsManager is responsible for accepting job-submissions, negotiating the first
container for executing the application specific ApplicationMaster and provides the service
for restarting the ApplicationMaster container on failure.
-The NodeManager is the per-machine framework agent who is responsible for containers, monitoring
their resource usage (cpu, memory, disk, network) and reporting the same to the ResourceManager/Scheduler.
 The per-application ApplicationMaster has the responsibility of negotiating appropriate resource
containers from the Scheduler, tracking their status and monitoring for progress.


With this delete, these paragraphs should probably be merged.

 on top of MRv2 with


> YARN architecture document needs updating
> -----------------------------------------
>                 Key: YARN-3170
>                 URL: https://issues.apache.org/jira/browse/YARN-3170
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Allen Wittenauer
>            Assignee: Brahma Reddy Battula
>              Labels: BB2015-05-TBR
>         Attachments: YARN-3170-002.patch, YARN-3170-003.patch, YARN-3170-004.patch, YARN-3170-005.patch,
YARN-3170-006.patch, YARN-3170.patch
> The marketing paragraph at the top, "NextGen MapReduce", etc are all marketing rather
than actual descriptions. It also needs some general updates, esp given it reads as though
0.23 was just released yesterday.

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