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Posted to yarn-dev@hadoop.apache.org by "Haibo Chen (JIRA)" <ji...@apache.org> on 2017/10/31 18:15:00 UTC

[jira] [Created] (YARN-7421) Preserve execution type for containers to be promoted by AM post YARN-1015

Haibo Chen created YARN-7421:
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             Summary: Preserve execution type for containers to be promoted by AM post YARN-1015
                 Key: YARN-7421
                 URL: https://issues.apache.org/jira/browse/YARN-7421
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: YARN-1011
            Reporter: Haibo Chen
            Assignee: Haibo Chen


From offline discussion with [~asuresh], if an AM tries to promote or increase a container whose enforceExecutionType is set to false, the scheduler may, in the presence of oversubscription,  allocate an OPPORTUNISTIC container. This should not happen given the contract we have in container update API. 



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