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Posted to mapreduce-issues@hadoop.apache.org by "Sharad Agarwal (Commented) (JIRA)" <ji...@apache.org> on 2011/10/31 11:49:32 UTC
[jira] [Commented] (MAPREDUCE-3315) Master-Worker Application on
YARN
[ 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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