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Posted to yarn-dev@hadoop.apache.org by "Carlo Curino (JIRA)" <ji...@apache.org> on 2014/04/28 04:16:15 UTC

[jira] [Created] (YARN-1990) Track time-to-allocation for different size containers

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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