[KAFKA-12166] Add a metric for reporting idle connections closed

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 2.5.1, 2.7.0, 2.6.1
• Component/s: core, metrics
• Assignee: Pere Urbon-Bayes
• Reporter: Pere Urbon-Bayes
• Created: 08/Jan/21 12:17
• Updated: 08/Jan/21 12:17

Description

The Kafka Broker has a logic for closing connections when they have been idle for a configurable amount of time.

Currently the only way the broker report this is via the TRACE level logs, however, it would amazing to have a new metric to track it via the monitoring tack of choice.