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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2885) Create AMRMProxy request interceptor for distributed scheduling decisions for queueable containers
Date Sat, 23 Jan 2016 02:03:40 GMT

     [ https://issues.apache.org/jira/browse/YARN-2885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Arun Suresh updated YARN-2885:
    Attachment: YARN-2885-yarn-2877.v7.patch

Thanks for the Review [~curino]. I've uploaded a new patch addressing some of your concerns..

# I like the idea of having specialized token for the new DistributedSchedulingProtocol. Ive
raised YARN-4631 to track it
# I have removed the Assumption that resources are only mem and cpu and have updated {{DistSchedulerParams}}
to reflect this.
# I understand *updateResourceAsk()* might seem confusing. I have changed the name and added
some comments describing it.
# As for "resizing" the containers, yes, I wanted it to be consistent with the normalization
that Fair/Capacity Scheduler performs to an ask. I have updated the patch to use the {{Resources.normalize()}}
utility function.
# I have updated the patch with comments as why it needs to be a HashMap. Do let me know if
it makes sense..

> Create AMRMProxy request interceptor for distributed scheduling decisions for queueable
> --------------------------------------------------------------------------------------------------
>                 Key: YARN-2885
>                 URL: https://issues.apache.org/jira/browse/YARN-2885
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Konstantinos Karanasos
>            Assignee: Arun Suresh
>         Attachments: YARN-2885-yarn-2877.001.patch, YARN-2885-yarn-2877.002.patch, YARN-2885-yarn-2877.full-2.patch,
YARN-2885-yarn-2877.full-3.patch, YARN-2885-yarn-2877.full.patch, YARN-2885-yarn-2877.v4.patch,
YARN-2885-yarn-2877.v5.patch, YARN-2885-yarn-2877.v6.patch, YARN-2885-yarn-2877.v7.patch,
> We propose to add a Local ResourceManager (LocalRM) to the NM in order to support distributed
scheduling decisions. 
> Architecturally we leverage the RMProxy, introduced in YARN-2884. 
> The LocalRM makes distributed decisions for queuable containers requests. 
> Guaranteed-start requests are still handled by the central RM.

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