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https://issues.apache.org/jira/browse/HDFS-3447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15095173#comment-15095173
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Lei (Eddy) Xu commented on HDFS-3447:
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Hey, [~daryn] This looks like an interesting idea? Do you have plan to move
it forward?
Thanks!
> 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-alpha
> Reporter: Todd Lipcon
> Assignee: 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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