Rong Rong created FLINK-15561:
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Summary: Improve Kerberos delegation token login
Key: FLINK-15561
URL: https://issues.apache.org/jira/browse/FLINK-15561
Project: Flink
Issue Type: Bug
Components: Deployment / YARN
Reporter: Rong Rong
Assignee: Rong Rong
Currently the security HadoopModule handles delegation token login without
spawning a delegation token renewal thread. We might need to include this to
support delegation token.
See: [1]
https://github.com/apache/flink/blob/release-1.9/flink-runtime/src/main/java/org/apache/flink/runtime/security/modules/HadoopModule.java#L84
and
[2]
https://github.com/hanborq/hadoop/blob/master/src/core/org/apache/hadoop/security/UserGroupInformation.java#L538
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