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  1. Hadoop HDFS
  2. HDFS-3447

StandbyException should not be logged at ERROR level on server

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Details

    • Improvement
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • 2.0.0-alpha
    • None
    • ha
    • None

    Description

      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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              Unassigned Unassigned
              tlipcon Todd Lipcon
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              Dates

                Created:
                Updated: