https://josedavidbaena.com Production notes and source-backed analysis on distributed systems, messaging infrastructure, open-source internals, and model engineering. en-us josedab@gmail.com (José David Baena) josedab@gmail.com (José David Baena) Fri, 26 Jun 2026 00:00:00 GMT https://josedavidbaena.com/blog/exploration-redpanda/performance-engineering https://josedavidbaena.com/blog/exploration-redpanda/performance-engineering A reproducible Redpanda benchmark controls load, durability, clients, cache state, and failures before interpreting latency or throughput. Fri, 26 Jun 2026 00:00:00 GMT josedab@gmail.com (José David Baena) redpandaperformanceseastarbenchmarkinglatency https://josedavidbaena.com/blog/zero-copy/08-zero-copy-failure-cost-model https://josedavidbaena.com/blog/zero-copy/08-zero-copy-failure-cost-model A derivable cost model for when zero-copy loses: small payloads, remote NUMA, pinned pages, fallback rates, and completion lag move the frontier. Fri, 01 May 2026 00:00:00 GMT josedab@gmail.com (José David Baena) zero-copyperformancelinuxbenchmarkingsystems