Luke Chen created KAFKA-18455:
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Summary: Add logs or metrics when connection count exceeds
Key: KAFKA-18455
URL: https://issues.apache.org/jira/browse/KAFKA-18455
Project: Kafka
Issue Type: Improvement
Reporter: Luke Chen
Currently, when client tried to connect to broker, and got throttled or
exceeding connection count (waiting for available connection slot), there will
be no logs or metrics in broker. All the client can see is connection timeout
exception. We should improve it.
There was a discussion in this [PR|https://github.com/apache/kafka/pull/12559].
FYR
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