[VOTE] 3.9.1 RC2

Hello Kafka users, developers and client-developers, This is the third candidate for the release of Apache Kafka 3.9.1. This RC fixed the LICENSE-binary misalignment issue and also bump the jetty version for CVE-2024-13009 compared with RC1. This is a bug-fix release with several fixes, and most

Attaching extra labels / tags to Kafka consumer collected metrics

Hi, we are setting up client metrics collection for our system according to KIP-714 We maintain one centralized metrics collection endpoint for multiple clusters and create dashboards to select the cluster of interest by metric label. For "normal" metrics that we report ourselves we are easily a