[jira] [Created] (YARN-4925) ContainerRequest in AMRMClient, application should be able to specify nodes/racks together with nodeLabelExpression

["Bibin A Chundatt (JIRA)" <ji...@apache.org>]

Bibin A Chundatt created YARN-4925:
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             Summary: ContainerRequest in AMRMClient, application should be able to specify nodes/racks together with nodeLabelExpression
                 Key: YARN-4925
                 URL: https://issues.apache.org/jira/browse/YARN-4925
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Bibin A Chundatt
            Assignee: Bibin A Chundatt


Currently with nodelabel AMRMClient will not be able to specify nodelabels with Node/Rack requests.For application like spark NODE_LOCAL requests cannot be asked with label expression.

{noformat}
    // Don't allow specify node label against ANY request
    if ((containerRequest.getRacks() != null && 
        (!containerRequest.getRacks().isEmpty()))
        || 
        (containerRequest.getNodes() != null && 
        (!containerRequest.getNodes().isEmpty()))) {
      throw new InvalidContainerRequestException(
          "Cannot specify node label with rack and node");
    }
{noformat}

{{AppSchedulingInfo#updateResourceRequests}} we do reset of labels to that of OFF-SWITCH. 

The above check is not required for ContainerRequest ask /cc [~wangda] thank you for confirming



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