Doubling Oracle free-tier throughput by tuning OpenResty
An edge experiment on a tiny machine, broken down through worker binding, keepalive, Lua shared dicts, cache hit rate, and load-testing method.
Reconstructing the boot path from UART logs
Build the smallest useful observation surface for firmware bring-up: reset reasons, boot stages, exception paths, and repeatable checkpoints.
Treating agents as engineering pipelines, not chat boxes
Notes on how tool boundaries, context compaction, long-term memory, and checkpoints combine into a steadier personal R&D assistant.
Observing ring-buffer latency
Compare logs, GPIO toggles, and sampling windows to avoid optimizing the wrong problem with the wrong measurement method in embedded systems.