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From Matthieu Morel <matthieu.mo...@gmail.com>
Subject Re: Deploy S4 App with Yarn -- Memory Problem
Date Thu, 15 Nov 2012 18:32:32 GMT
Hi,

What specific parameter are you trying to set in the yarn
configuration? It looks like you have a max of 128MB per container.

What seems to be failing is the application master. It uses (by
default) 128MB for heap + default stack size, but that would be over
128MB.

Of course, we still have to properly handle all  parameters available in
the yarn command, including memory settings, but from what I see the
issue you are facing is related to the configuration of your Yarn
cluster. You can get more information from other log files (apart from
the client console logs), maybe that can help as well. But somewhere
you seem to be capping the container memory to an insufficient value.

Regards,

Matthieu

On Thu, Nov 15, 2012 at 9:12 AM, Frank Zheng <bearzheng2011@gmail.com> wrote:
> Hi All,
>
> I am confused about the memory configuration.
> In the S4ApplicationMaster.java, it says:
>         // A resource ask has to be at least the minimum of the capability
> of the cluster, the value has to be
>         // a multiple of the min value and cannot exceed the max.
>         // If it is not an exact multiple of min, the RM will allocate to
> the nearest multiple of min
> So I set the minimum memory as 128 in the yarn-site.xml
> But when I deployed the Twitter Counter application, I got this error.
>
> 17:04:25.558 [main] INFO  o.apache.s4.tools.yarn.S4YarnClient - Got
> application report from ASM for, appId=1, clientToken=null, appDiagnostics=,
> appMasterHost=, appQueue=default, appMasterRpcPort=0,
> appStartTime=1352970249485, yarnAppState=RUNNING,
> distributedFinalState=UNDEFINED, appTrackingUrl=, appUser=root
> 17:04:26.560 [main] INFO  o.apache.s4.tools.yarn.S4YarnClient - Got
> application report from ASM for, appId=1, clientToken=null, appDiagnostics=,
> appMasterHost=, appQueue=default, appMasterRpcPort=0,
> appStartTime=1352970249485, yarnAppState=RUNNING,
> distributedFinalState=UNDEFINED, appTrackingUrl=, appUser=root
> 17:04:27.563 [main] INFO  o.apache.s4.tools.yarn.S4YarnClient - Got
> application report from ASM for, appId=1, clientToken=null, appDiagnostics=,
> appMasterHost=, appQueue=default, appMasterRpcPort=0,
> appStartTime=1352970249485, yarnAppState=RUNNING,
> distributedFinalState=UNDEFINED, appTrackingUrl=, appUser=root
> 17:04:28.569 [main] INFO  o.apache.s4.tools.yarn.S4YarnClient - Got
> application report from ASM for, appId=1, clientToken=null,
> appDiagnostics=Application application_1352970173321_0001 failed 1 times due
> to AM Container for appattempt_1352970173321_0001_000001 exited with
> exitCode: 143 due to: Container
> [pid=12119,containerID=container_1352970173321_0001_01_000001] is running
> beyond physical memory limits. Current usage: 138.2mb of 128.0mb physical
> memory used; 1.1gb of 5.2gb virtual memory used. Killing container.
> Dump of the process-tree for container_1352970173321_0001_01_000001 :
>     |- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS)
> SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
>     |- 12213 12119 12119 12119 (java) 285 11 1085763584 35085 java -Xmx128m
> org.apache.s4.tools.yarn.S4ApplicationMaster --container_memory 10
> --num_containers 3 --priority 0 -c counter -zk testing.machine1:2181
>     |- 12119 9509 12119 12119 (bash) 4 3 108703744 304 /bin/bash -c java
> -Xmx128m org.apache.s4.tools.yarn.S4ApplicationMaster --container_memory 10
> --num_containers 3 --priority 0 -c counter -zk testing.machine1:2181
> 1>/home/hadoop/data/log/application_1352970173321_0001/container_1352970173321_0001_01_000001/AppMaster.stdout
> 2>/home/hadoop/data/log/application_1352970173321_0001/container_1352970173321_0001_01_000001/AppMaster.stderr
>
>
> .Failing this attempt.. Failing the application., appMasterHost=,
> appQueue=default, appMasterRpcPort=0, appStartTime=1352970249485,
> yarnAppState=FAILED, distributedFinalState=FAILED, appTrackingUrl=,
> appUser=root
> 17:04:28.569 [main] INFO  o.apache.s4.tools.yarn.S4YarnClient - Application
> did not finish. YarnState=FAILED, DSFinalStatus=FAILED. Breaking monitoring
> loop
> 17:04:28.569 [main] ERROR o.apache.s4.tools.yarn.S4YarnClient - Application
> failed to complete successfully
>
>
> Should the S4AppMaster use the multiple of minimum memory automatically? Why
> the memory of container is only 128 MB?
>
>
> Sincerely,
> Zheng Yu
> Mobile:  (852) 60670059
> Email:    bearzheng2011@gmail.com
>
>
>

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