Krishna Kishore Bonagiri created YARN-541:
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Summary: 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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