[jira] [Created] (KAFKA-3536) ReplicaFetcherThread should not log errors when leadership changes

["Stig Rohde Døssing (JIRA)" <ji...@apache.org>]

Stig Rohde Døssing created KAFKA-3536:
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             Summary: ReplicaFetcherThread should not log errors when leadership changes
                 Key: KAFKA-3536
                 URL: https://issues.apache.org/jira/browse/KAFKA-3536
             Project: Kafka
          Issue Type: Improvement
          Components: core
            Reporter: Stig Rohde Døssing
            Priority: Minor


When there is a leadership change, ReplicaFetcherThread will spam the log with errors similar to the log snippet below.

{noformat}
[ReplicaFetcherThread-0-2], Error for partition [ticketupdate,7] to broker 2:class kafka.common.NotLeaderForPartitionException (kafka.server.ReplicaFetcherThread)
{noformat}

ReplicaFetcherThread/AbstractFetcherThread should log those exceptions at a lower log level, since they don't actually indicate an error.



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