[jira] [Created] (YARN-11146) Can't create 0 resources leafqueue in absolute mode

["Zilong Zhu (Jira)" <ji...@apache.org>]

Zilong Zhu created YARN-11146:
---------------------------------

             Summary: Can't create 0 resources leafqueue in absolute mode
                 Key: YARN-11146
                 URL: https://issues.apache.org/jira/browse/YARN-11146
             Project: Hadoop YARN
          Issue Type: Bug
          Components: capacityscheduler
            Reporter: Zilong Zhu


I can't create 0 resources leafqueue ([memory=0,vcores=0]) in absoulte mode. For example:

root.prod = [memory=2048,vcores=2]

root.prod.prod_default = [memory=0,vcores=0]

I got Exception:
{code:java}
refreshQueues: java.io.IOException: Failed to re-init queues : Parent queue 'prod' and child queue 'prod_default' should use either percentage based capacity configuration or absolute resource together.
        at org.apache.hadoop.yarn.ipc.RPCUtil.getRemoteException(RPCUtil.java:38)
        at org.apache.hadoop.yarn.server.resourcemanager.AdminService.logAndWrapException(AdminService.java:920)
        at org.apache.hadoop.yarn.server.resourcemanager.AdminService.refreshQueues(AdminService.java:406)
        at org.apache.hadoop.yarn.server.api.impl.pb.service.ResourceManagerAdministrationProtocolPBServiceImpl.refreshQueues(ResourceManagerAdministrationProtocolPBServiceImpl.java:114)
        at org.apache.hadoop.yarn.proto.ResourceManagerAdministrationProtocol$ResourceManagerAdministrationProtocolService$2.callBlockingMethod(ResourceManagerAdministrationProtocol.java:271)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:507)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1034)
        at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1003)
        at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:931)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:2012)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2854) {code}
I found root.prod.prod_default its CapacityConfigType was considered to be 

PERCENTAGE.
{code:java}
if (this.capacityConfigType.equals(CapacityConfigType.NONE)) {
  this.capacityConfigType = (!minResource.equals(Resources.none())
      && queueCapacities.getAbsoluteCapacity(label) == 0f)
          ? CapacityConfigType.ABSOLUTE_RESOURCE
          : CapacityConfigType.PERCENTAGE;
} {code}



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