Ahmed Hussein created HADOOP-17481:
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Summary: Groups user mapping based on Netgroup do not auto-refresh
Key: HADOOP-17481
URL: https://issues.apache.org/jira/browse/HADOOP-17481
Project: Hadoop Common
Issue Type: Bug
Components: security
Reporter: Ahmed Hussein
Assignee: Ahmed Hussein
It was noticed that a manual refresh ({{yarn rmadmin
-refreshUserToGroupsMappings}}) is required for services to pick a user-group
membership.
The auto-refresh of the {{Groups.caching}} only works for the upper layer and
won't fetch the groups from the system.
There is a need to automatically reload all the groups (currently in
{{NetgroupCache}}). The interval can be a new configuration, with a default
value of 6 hours.
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