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Posted to dev@ambari.apache.org by "Vitaly Brodetskyi (JIRA)" <ji...@apache.org> on 2015/06/30 16:22:04 UTC

[jira] [Created] (AMBARI-12217) Distributed shell app in Yarn service check may be slow

Vitaly Brodetskyi created AMBARI-12217:
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             Summary: Distributed shell app in Yarn service check may be slow
                 Key: AMBARI-12217
                 URL: https://issues.apache.org/jira/browse/AMBARI-12217
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.1.0
            Reporter: Vitaly Brodetskyi
            Assignee: Vitaly Brodetskyi
            Priority: Critical
             Fix For: 2.1.0


Yarn service check today runs a distributed shell application with num_containers = num_nodes_in_cluster. This could be a problem on production cluster because the num_nodes could be very large, therefore the service check may run slow. 
We may just change it back to launch 1 container.



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