Weidong Duan created HDFS-15021:
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Summary: RBF: Delegation Token can't remove correctly in absence
of cancelToken and restart the router.
Key: HDFS-15021
URL: https://issues.apache.org/jira/browse/HDFS-15021
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Weidong Duan
The ZKDelegationTokenSecretManager couldn't remove the expired DTs on the
Zookeeper as expected when restart the Router in the absence of invoking the
method ` ZKDelegationTokenSecretManager#cancelToken`.
This case will cause many stale DTs leave on the Zookeeper . Maybe cause the
performance problem of the Router.
I think this is a bug and should be resolved in the latter. Is it Right?
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