szetszwo opened a new pull request, #5268: URL: https://github.com/apache/hadoop/pull/5268
### Description of PR AccessControlEnforcer is configurable. If an external AccessControlEnforcer runs for a long time to check permission with the FSnamesystem lock, it will significantly slow down the entire Namenode. In the JIRA, we will print a WARN message when it happens. https://issues.apache.org/jira/browse/HDFS-16881 ### How was this patch tested? New unit tests -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
