Maximilian Michels created FLINK-3670:
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Summary: Kerberos: Improving long-running streaming jobs
Key: FLINK-3670
URL: https://issues.apache.org/jira/browse/FLINK-3670
Project: Flink
Issue Type: Improvement
Components: Command-line client, Local Runtime
Reporter: Maximilian Michels
We have seen in the past, that Hadoop's delegation tokens are subject to a
number of subtle token renewal bugs. In addition, they have a maximum life time
that can be worked around but is very inconvenient for the user.
As per [mailing list
discussion|http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Kerberos-for-Streaming-amp-Kafka-td10906.html],
a way to work around the maximum life time of DelegationTokens would be to
pass the Kerberos principal and key tab upon job submission. A daemon could
then periodically renew the ticket.
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