feat: Add configurable support for Kafka next-generation balancer (franz-go) #2112
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weeco
reviewed
Jan 15, 2026
| # Optional: Rack identifier to optimize message consumption in multi-zone clusters. | ||
| # rackId: "zone-a" | ||
| # Optional: Enable Kafka's next-generation balancer (beta feature from franz-go v1.19.0+). | ||
| # This enables improved partition assignment and rebalancing behavior. |
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I have to educate myself on the next-gen partition balancer, but I'm wondering how is this relevant to Console given that Console does not do any consumer group style consuming?
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Adds support for enabling Kafka’s next-generation balancer (a GA feature for Kafka ≥ 4.0.0) introduced in franz-go v1.19.0+. This feature provides improved partition assignment and rebalancing behavior.
By default, in the franz-go client, this feature is marked as hidden, as the maintainer noted potential instability concerns that have not yet received official recognition or confirmation.
This PR aims to resolve issue #1815.