Daryn Sharp created HDFS-12658:
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Summary: Lease renewal causes connection flapping
Key: HDFS-12658
URL: https://issues.apache.org/jira/browse/HDFS-12658
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs-client
Affects Versions: 2.0.0-alpha
Reporter: Daryn Sharp
Adding a dfsclient to the lease renewer use the minimum of 1/2 the soft timeout
vs. 1/2 the client's timeout (when the client closes an idle connection). Both
default to 1m, so clients with open files that are otherwise not making calls
to the NN will experience connection flapping. Re-authentication is
unnecessarily taxing on the ipc layer.
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