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From "Carlo Curino (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-1990) Track time-to-allocation for different size containers
Date Mon, 28 Apr 2014 02:16:15 GMT
Carlo Curino created YARN-1990:
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             Summary: Track time-to-allocation for different size containers 
                 Key: YARN-1990
                 URL: https://issues.apache.org/jira/browse/YARN-1990
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: resourcemanager
            Reporter: Carlo Curino
            Assignee: Carlo Curino


Allocation of Large Containers are notoriously problematic, as smaller containers can more
easily grab resources. 

The proposal for this JIRA is to maintain a map of container sizes, and time-to-allocation,
that can be used as:
* general insight on cluster behavior, 
* to inform the reservation-system, and allows us to "account for delays" in allocation, so
that the user reservation is respected regardless the size of containers requested.






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