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Posted to hdfs-dev@hadoop.apache.org by "Weidong Duan (Jira)" <ji...@apache.org> on 2019/11/28 12:23:00 UTC

[jira] [Created] (HDFS-15021) RBF: Delegation Token can't remove correctly in absence of cancelToken and restart the router.

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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