writing
infrastructure, security, and the occasional rabbit hole.
What HTTP pipelining changed in rushort, how the benchmark checks its answers, and what separate M4 Pro, durable-write, and $4 VPS runs measured.
Following a degree-four polynomial through a hardware pipeline, from Horner's dependency chain to precision and propagation limits.
Follow an acknowledged write through volatile caches, a broken RAID stripe, and a checksummed read to see what durability actually requires.
Why a Byzantine quorum needs an honest overlap, and how PBFT carries evidence through a dishonest leader's proposals.
What a replacement leader must preserve: quorum rules, FLP's liveness limit, and a worked Raft recovery trace.
Why seeing a ready flag may not publish the data, with store-buffer traces and a one-shot release/acquire example.
What survived a SQLite writer exit, then following recovery state through Postgres, an LSM tree, and Kafka.
A queue can keep a link busy while making requests unusably slow. Working through bufferbloat, CoDel, BBR, and the limits of p99 arithmetic.