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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4412) Create ClusterMonitor to compute ordered list of preferred NMs for OPPORTUNITIC containers
Date Tue, 17 May 2016 01:57:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-4412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15285864#comment-15285864
] 

Allen Wittenauer commented on YARN-4412:
----------------------------------------

bq.  Agree with you mostly.. but as I mentioned before : I had provided a justification.

There is zero justification for introducing findbugs errors in the build when the ability
to exclude errors when exceptions exists.  Zero. Nada. None. Nil. So yes, you need to either
fix both of these errors or pull the patch.

> Create ClusterMonitor to compute ordered list of preferred NMs for OPPORTUNITIC containers
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-4412
>                 URL: https://issues.apache.org/jira/browse/YARN-4412
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>             Fix For: 3.0.0-alpha1
>
>         Attachments: YARN-4412-yarn-2877.v1.patch, YARN-4412-yarn-2877.v2.patch, YARN-4412-yarn-2877.v3.patch,
YARN-4412-yarn-2877.v4.patch, YARN-4412-yarn-2877.v5.patch, YARN-4412-yarn-2877.v6.patch,
YARN-4412.007.patch, YARN-4412.008.patch, YARN-4412.009.patch, YARN-4412.addendum-001.patch,
YARN-4412.find-bugs.patch
>
>
> Introduce a Cluster Monitor that aggregates load information from individual Node Managers
and computes an ordered list of preferred Node managers to be used as target Nodes for OPPORTUNISTIC
container allocations. 
> This list can be pushed out to the Node Manager (specifically the AMRMProxy running on
the Node) via the Allocate Response. This will be used to make local Scheduling decisions



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