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https://issues.apache.org/jira/browse/YARN-370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13571708#comment-13571708
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Thomas Graves commented on YARN-370:
------------------------------------
I agree with you that at that point the submission context and the allocated
container have different resources, the weird thing is that this bug doesn't
appear in 0.23 and when I print out the info at the same spot in 0.23 they
match. Both say 2048, where as printing them in 2.0 at that point one is 2048
and the other 1536.
I'm just wondering if the bug isn't really somewhere else. I'll dig a bit more.
> CapacityScheduler app submission fails when min alloc size not multiple of AM
> size
> ----------------------------------------------------------------------------------
>
> Key: YARN-370
> URL: https://issues.apache.org/jira/browse/YARN-370
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 2.0.3-alpha
> Reporter: Thomas Graves
> Assignee: Zhijie Shen
> Priority: Blocker
> Attachments: YARN-370-branch-2.patch
>
>
> I was running 2.0.3-SNAPSHOT with the capacity scheduler configured with
> minimum allocation size 1G. The AM size was set to 1.5G. I didn't specify
> resource calculator so it was using DefaultResourceCalculator. The am launch
> failed with the error below:
> Application application_1359688216672_0001 failed 1 times due to Error
> launching appattempt_1359688216672_0001_000001. Got exception: RemoteTrace:
> at LocalTrace:
> org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl:
> RemoteTrace: at LocalTrace:
> org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl:
> Unauthorized request to start container. Expected resource <memory:2048,
> vCores:1> but found <memory:1536, vCores:1> at
> org.apache.hadoop.yarn.factories.impl.pb.YarnRemoteExceptionFactoryPBImpl.createYarnRemoteException(YarnRemoteExceptionFactoryPBImpl.java:39)
> at org.apache.hadoop.yarn.ipc.RPCUtil.getRemoteException(RPCUtil.java:47) at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.authorizeRequest(ContainerManagerImpl.java:383)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.startContainer(ContainerManagerImpl.java:400)
> at
> org.apache.hadoop.yarn.api.impl.pb.service.ContainerManagerPBServiceImpl.startContainer(ContainerManagerPBServiceImpl.java:68)
> at
> org.apache.hadoop.yarn.proto.ContainerManager$ContainerManagerService$2.callBlockingMethod(ContainerManager.java:83)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:454)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1014) at
> org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1735) at
> org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1731) at
> java.security.AccessController.doPrivileged(Native Method) at
> javax.security.auth.Subject.doAs(Subject.java:415) at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1441)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1729) at
> sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:525) at
> org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:90)
> at
> org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:57)
> at
> org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl.unwrapAndThrowException(YarnRemoteExceptionPBImpl.java:123)
> at
> org.apache.hadoop.yarn.api.impl.pb.client.ContainerManagerPBClientImpl.startContainer(ContainerManagerPBClientImpl.java:109)
> at
> org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.launch(AMLauncher.java:111)
> at
> org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.run(AMLauncher.java:255)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722) . Failing the application.
> It looks like the launchcontext for the app didn't have the resources rounded
> up.
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