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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7158) Address performance issue when 3+ resource types configured in the system
Date Tue, 05 Sep 2017 20:45:00 GMT
Wangda Tan created YARN-7158:
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             Summary: Address performance issue when 3+ resource types configured in the system
                 Key: YARN-7158
                 URL: https://issues.apache.org/jira/browse/YARN-7158
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Wangda Tan
            Assignee: Wangda Tan
            Priority: Critical


In existing YARN-3926 branch, we use BaseResource to handle 2 mandatory resource types (memory+cpu)
configured in the system. Once we have 3 or more resource types configured in the system.
YARN will use ResourcePBImpl to initialize resource objects, which will be very expensive.
 We should update BaseResource when do resource calculation in RM instead of using PB-backed
resource implementation.



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