Remove unnecessary security related info logs
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Key: HADOOP-7272
URL: https://issues.apache.org/jira/browse/HADOOP-7272
Project: Hadoop Common
Issue Type: Improvement
Components: ipc, security
Affects Versions: 0.23.0
Reporter: Suresh Srinivas
Assignee: Suresh Srinivas
Fix For: 0.23.0
Two info logs are printed when connection to RPC server is established, is not
necessary. On a production cluster, these log lines made up of close to 50% of
lines in the namenode log. I propose changing them into debug logs.
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