Hitesh Shah commented on YARN-541:

@Krishna, could you provide more information:
   - What scheduler are you using? 
   - Could you attach the application logs as well as the RM's logs. 
> getAllocatedContainers() is not returning all the allocated containers
> ----------------------------------------------------------------------
>                 Key: YARN-541
>                 URL: https://issues.apache.org/jira/browse/YARN-541
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.0.3-alpha
>         Environment: Redhat Linux 64-bit
>            Reporter: Krishna Kishore Bonagiri
> I am running an application that was written and working well with the 
> hadoop-2.0.0-alpha but when I am running the same against 2.0.3-alpha, the 
> getAllocatedContainers() method called on AMResponse is not returning all the 
> containers allocated sometimes. For example, I request for 10 containers and 
> this method gives me only 9 containers sometimes, and when I looked at the 
> log of Resource Manager, the 10th container is also allocated. It happens 
> only sometimes randomly and works fine all other times. If I send one more 
> request for the remaining container to RM after it failed to give them the 
> first time(and before releasing already acquired ones), it could allocate 
> that container. I am running only one application at a time, but 1000s of 
> them one after another.
> My main worry is, even though the RM's log is saying that all 10 requested 
> containers are allocated,  the getAllocatedContainers() method is not 
> returning me all of them, it returned only 9 surprisingly. I never saw this 
> kind of issue in the previous version, i.e. hadoop-2.0.0-alpha.
> Thanks,
> Kishore

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