Occasional writing on backend engineering, distributed systems, and putting AI into production — mostly things I wish someone had told me earlier.
The ACID tax, Redis's single-threaded design, B-Trees vs LSM Trees, compaction and Bloom filters — fix a bottleneck instead of moving it.
2026-06-19Two design choices do most of the work — Sequential I/O and the Zero-Copy principle. How each turns a disk into a firehose, with diagrams.