Todd Lipcon created HDFS-3447:
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Summary: StandbyException should not be logged at ERROR level on
server
Key: HDFS-3447
URL: https://issues.apache.org/jira/browse/HDFS-3447
Project: Hadoop HDFS
Issue Type: Improvement
Components: ha
Affects Versions: 2.0.0
Reporter: Todd Lipcon
Priority: Minor
Currently, the standby NN will log StandbyExceptions at ERROR level any time a
client tries to connect to it. So, if the second NN in an HA pair is active,
the first NN will spew a lot of these errors in the log, as each client gets
redirected to the proper NN. Instead, this should be at INFO level, and should
probably be logged in a less "scary" manner (eg "Received READ request from
client 1.2.3.4, but in Standby state. Redirecting client to other NameNode.")
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