https://josedavidbaena.com Personal website and blog where I document thoughts, ideas, and interests in software engineering, web performance, and open source technologies. en-us josedab@gmail.com (José David Baena) josedab@gmail.com (José David Baena) Fri, 12 Dec 2025 00:00:00 GMT https://josedavidbaena.com/blog/debugging-kafka-protocol-11-messages-become-1 https://josedavidbaena.com/blog/debugging-kafka-protocol-11-messages-become-1 How a missing 8-byte write in a Kafka protocol implementation turned 11 messages into 1—with zero errors, zero warnings, and complete silent data loss. Fri, 12 Dec 2025 00:00:00 GMT josedab@gmail.com (José David Baena) kafkadebuggingprotocolsrustdistributed-systemsstreaming