Jason Lowe created YARN-455:
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Summary: NM warns about stopping an unknown container under normal
circumstances
Key: YARN-455
URL: https://issues.apache.org/jira/browse/YARN-455
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Affects Versions: 0.23.6, 2.0.3-alpha
Reporter: Jason Lowe
During normal operations the NM can log warnings to its audit log about unknown
containers. For example:
{noformat}
2013-03-06 21:04:55,327 WARN nodemanager.NMAuditLogger: USER=UnknownUser
IP=xx OPERATION=Stop Container Request TARGET=ContainerManagerImpl
RESULT=FAILURE DESCRIPTION=Trying to stop unknown container!
APPID=application_1359150825713_3947178
CONTAINERID=container_1359150825713_3947178_01_001266
{noformat}
Looking closer at the audit log and the NM log shows that the container
completed successfully and was forgotten by the NM before the stop request
arrived. The NM should avoid warning in these situations since this is a
"normal" race condition.
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