Engineering notes
Tuning autovacuum on busy PostgreSQL tables
September 2026
Default autovacuum thresholds are tuned for small tables. For tables with tens of millions of rows we lower th…
Cancelling work properly with context in Go
May 2026
A short checklist for passing context through goroutines, timeouts on outgoing calls, and avoiding leaked work…
Micro-caching dynamic pages with nginx
February 2026
One-second caching in front of an application server can absorb traffic spikes with almost no staleness.…