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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-56) Handle container requests that request more resources than currently available in the cluster
Date Thu, 25 Sep 2014 16:21:34 GMT

     [ https://issues.apache.org/jira/browse/YARN-56?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla reassigned YARN-56:
------------------------------------

    Assignee: Karthik Kambatla

> Handle container requests that request more resources than currently available in the
cluster
> ---------------------------------------------------------------------------------------------
>
>                 Key: YARN-56
>                 URL: https://issues.apache.org/jira/browse/YARN-56
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.0.2-alpha, 0.23.3
>            Reporter: Hitesh Shah
>            Assignee: Karthik Kambatla
>
> In heterogenous clusters, a simple check at the scheduler to check if the allocation
request is within the max allocatable range is not enough. 
> If there are large nodes in the cluster which are not available, there may be situations
where some allocation requests will never be fulfilled. Need an approach to decide when to
invalidate such requests. For application submissions, there will need to be a feedback loop
for applications that could not be launched. For running AMs, AllocationResponse may need
to augmented with information for invalidated/cancelled container requests.



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