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Posted to dev@kafka.apache.org by "rui (Jira)" <ji...@apache.org> on 2022/07/18 04:12:00 UTC

[jira] [Created] (KAFKA-14080) too many node disconnected message in kafka-clients

rui created KAFKA-14080:
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             Summary: too many node disconnected message in kafka-clients
                 Key: KAFKA-14080
                 URL: https://issues.apache.org/jira/browse/KAFKA-14080
             Project: Kafka
          Issue Type: Bug
          Components: clients
    Affects Versions: 3.1.1
            Reporter: rui


when upgrade kafka-clients from 3.0.1 to 3.1.1, there are a lot of "Node 0 disconnected" message in networkclient  per day per listener(20-30k)
think it is introduced by

[https://github.com/a0x8o/kafka/commit/cf22405663ec7854bde7eaa3f22b9818c276563f]


questions:
 # is it normal with so many "Node X disconnected" message at INFO level? my kafka server has any issue?
 # it mentioned a back-off configuration to reduce the message, but does it work?(still so many messages)



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