Daniel-009497 opened a new pull request, #5233: URL: https://github.com/apache/hadoop/pull/5233
ResourceManager DelegationTokenRenewer timeout feature may cause high utilization of CPU and object leak. 1-If yarn cluster is in idle state, that is almost no token renewer event triggered, the DelegationTokenRenewerPoolTracker thread will do nothing but dead loop, it will cause high CPU utilization. 2-The renewer event is hold in a map named futures, will has no remove logic , that is the map will become increasingly great with time going by. -- 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]
