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Nicolas Guyomar commented on KAFKA-14080: ----------------------------------------- I'm only now noticing some bugs were created for that log, I submitted recently a PR to lower those idle connection disconnect logs at DEBUG with a more intuitive message [https://github.com/apache/kafka/pull/16089] > 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 > Priority: Major > > 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) -- This message was sent by Atlassian Jira (v8.20.10#820010)