The Best of Kafka Summit London 2023

Kafka Summit London 2023 made more than 60 recorded sessions available online and highlighted its audience-rated top 10 talks, which expanded to 14 sessions because of several ties. The selections focused heavily on Apache Kafka and Kafka Streams operational and architectural topics, including decomposing monoliths into microservices, using flamegraphs for performance analysis, introducing event streaming into legacy environments, managing Kafka Connect with kcctl, and running high-throughput financial applications. Other highly rated sessions covered cloud performance and cost optimization, troubleshooting Kubernetes memory failures, speeding Kafka Streams state restoration, migrating between Kafka platforms, creating custom state stores, and automatically restarting unhealthy Kafka consumers. The top three included an Xbox-data demonstration of Kafka Connect and Streams, an explanation of versioned state stores and temporal joins introduced through KIP-889, and a detailed walkthrough of the Kafka producer request lifecycle, including relevant configurations and monitoring metrics. The post encourages viewers to explore the full conference catalog and follow future streaming events such as Current 2023 and Kafka Summit London 2024.

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