Ming Ma created HDFS-6477:
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Summary: Have RetryInvocationHandler log failover attempt at INFO
level
Key: HDFS-6477
URL: https://issues.apache.org/jira/browse/HDFS-6477
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Ming Ma
RetryInovcationHandler uses worthLogging flag to decide if it will do logging.
worthLogging will be false for first fails over given invocationFailoverCount
is zero. That addresses the log noise where the second-listed NN is active.
For other failover scenarios, it will be useful to log the error message at
info level for analysis purpose.
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