Prasad Wagle created YARN-5196:
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Summary: Command to refresh cache without having to restart the
cluster
Key: YARN-5196
URL: https://issues.apache.org/jira/browse/YARN-5196
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Prasad Wagle
Priority: Minor
After changing hadoop.proxyuser.x.groups in core-site.xml, we ran:
dfsadmin -refreshSuperUserGroupsConfiguration
rmadmin -refreshSuperUserGroupsConfiguration
However we are getting a warning:
WARN [2016-06-02 17:54:50,914] ({pool-10-thread-1}
SharedCacheClient.java[use]:137) - SCM might be down. The exception is User: x
is not allowed to impersonate y
Will be good to have a command to refresh the cache without having to restart
the cluster.
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