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https://issues.apache.org/jira/browse/YARN-5582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15454243#comment-15454243
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Rohith Sharma K S commented on YARN-5582:
-----------------------------------------
+1 for the using Resources for comparisons.
> SchedulerUtils#validate vcores even for DefaultResourceCalculator
> -----------------------------------------------------------------
>
> Key: YARN-5582
> URL: https://issues.apache.org/jira/browse/YARN-5582
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
>
> Configure Memory=20 GB core 3 Vcores
> Submit request for 5 containers with memory 4 Gb and 5 core each from
> mapreduce application.
> {noformat}
> Caused by:
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.yarn.exceptions.InvalidResourceRequestException):
> Invalid resource request, requested virtual cores < 0, or requested virtual
> cores > max configured, requestedVirtualCores=5, maxVirtualCores=3
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils.validateResourceRequest(SchedulerUtils.java:274)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils.normalizeAndValidateRequest(SchedulerUtils.java:234)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils.normalizeAndvalidateRequest(SchedulerUtils.java:250)
> at
> org.apache.hadoop.yarn.server.resourcemanager.RMServerUtils.normalizeAndValidateRequests(RMServerUtils.java:105)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.allocate(ApplicationMasterService.java:703)
> at
> org.apache.hadoop.yarn.api.impl.pb.service.ApplicationMasterProtocolPBServiceImpl.allocate(ApplicationMasterProtocolPBServiceImpl.java:65)
> at
> org.apache.hadoop.yarn.proto.ApplicationMasterProtocol$ApplicationMasterProtocolService$2.callBlockingMethod(ApplicationMasterProtocol.java:115)
> {noformat}
> Shouldnot validate core when resource calculator is
> {{org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator}}
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