Chun Chen created YARN-11489:
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Summary: Fix memory leak of DelegationTokenRenewer futures in
DelegationTokenRenewerPoolTracker
Key: YARN-11489
URL: https://issues.apache.org/jira/browse/YARN-11489
Project: Hadoop YARN
Issue Type: Bug
Reporter: Chun Chen
The future of DelegationTokenRenewer runnable is not removed properly
previously, it is only removed if the runnable timeouts.
And a Queue struct is more suitable than a Map struct for storing the futures.
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