[jira] [Created] (FLINK-14360) Flink on yarn should support obtain delegation tokens of multi hdfs namespaces

[Shang Yuanchun (Jira)]

Shen Yinjie created FLINK-14360:
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             Summary: Flink on yarn should support obtain delegation tokens of multi hdfs namespaces
                 Key: FLINK-14360
                 URL: https://issues.apache.org/jira/browse/FLINK-14360
             Project: Flink
          Issue Type: Improvement
            Reporter: Shen Yinjie


There's a scenario when deploy flink on yarn with multi hdfs cluster or hdfs federation, Flink need to get delegation tokens of all the namespaces before start appmaster.



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