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From "Sharad Agarwal (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3315) Master-Worker Application on YARN
Date Mon, 31 Oct 2011 10:49:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140059#comment-13140059
] 

Sharad Agarwal commented on MAPREDUCE-3315:
-------------------------------------------

some thoughts:
- AM decides the Tasks.
- worker keep polling AM for getting the next Task instance.
- should be able to dynamically increase or shutdown workers - have minWorkers, maxWorkers,
keepAlive
                
> Master-Worker Application on YARN
> ---------------------------------
>
>                 Key: MAPREDUCE-3315
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3315
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>            Reporter: Sharad Agarwal
>            Assignee: Sharad Agarwal
>             Fix For: 0.24.0
>
>
> Currently master worker scenarios are forced fit into Map-Reduce. Now with YARN, these
can be first class and would benefit real/near realtime workloads and be more effective in
using the cluster resources.

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