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From "tangshangwen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-5795) FairScheduler set AppMaster vcores didn't work
Date Fri, 28 Oct 2016 03:20:58 GMT
tangshangwen created YARN-5795:
----------------------------------

             Summary: FairScheduler set AppMaster vcores didn't work
                 Key: YARN-5795
                 URL: https://issues.apache.org/jira/browse/YARN-5795
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.7.1
            Reporter: tangshangwen
            Assignee: tangshangwen


In our cluster, we use the linux container, I would like to increase the number of cpu to
get more CPU time slice, but it did not take effect´╝î i set yarn.app.mapreduce.am.resource.cpu-vcores
= 2 ,but i found the resourcemanager log
{noformat}
[2016-10-27T16:36:37.280 08:00] [INFO] resourcemanager.scheduler.SchedulerNode.allocateContainer(SchedulerNode.java
153) [ResourceManager Event Processor] : Assigned container container_1477059529836_336635_01_000001
of capacity <memory:2048, vCores:1>
{noformat}

Because scheduler.getResourceCalculator() only computes memory
{code:title=RMAppManager.java|borderStyle=solid}
 private ResourceRequest validateAndCreateResourceRequest(
      ApplicationSubmissionContext submissionContext, boolean isRecovery)
      throws InvalidResourceRequestException {
...
      SchedulerUtils.normalizeRequest(amReq, scheduler.getResourceCalculator(),
          scheduler.getClusterResource(),
          scheduler.getMinimumResourceCapability(),
          scheduler.getMaximumResourceCapability(),
          scheduler.getMinimumResourceCapability());
...
}
{code}





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