Amazon MSK Express Brokers adds support for Apache Kafka version 4.2
News
This article announces Apache Kafka version 4.2 support for Amazon MSK Express Brokers, bringing enhanced reliability and performance improvements.
- Eligible Leader Replicas (ELR) enhancements strengthen availability with improved leader election correctness
- New consumer rebalance protocol enables smoother and faster group rebalances
- New Streams Rebalance Protocol extends broker coordination to Kafka Streams for optimized task assignments
- MSK Express Brokers deliver 3x more throughput per broker and 90% faster recovery time
- Deploy version 4.2.x when creating new clusters or upgrade existing clusters with in-place rolling updates
- Available across all AWS regions where MSK Express Brokers is offered
Kafka 4.2 support brings latest open-source reliability and performance improvements to MSK Express, available immediately.
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