José David Baena – Software Engineer 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, 20 Mar 2026 00:00:00 GMT https://josedavidbaena.com/blog/zero-copy/02-tls-kafka-hidden-tradeoff Kafka TLS: Where the JVM Zero-Copy Fetch Path Ends https://josedavidbaena.com/blog/zero-copy/02-tls-kafka-hidden-tradeoff Trace Kafka's file-backed Fetch payload through OpenJDK, JSSE, kTLS, and NIC offload without confusing their copy boundaries. Fri, 20 Mar 2026 00:00:00 GMT josedab@gmail.com (José David Baena) kafkaperformancetlslinuxzero-copy