Notes on a long-running VACUUM
A 400 GB partitioned table refused to finish VACUUM FULL. Here's what actually worked, and a few things that wasted a Saturday.
Reverse-proxying WebSockets with Caddy v2
Caddy makes WS proxying mostly invisible — until Upgrade headers vanish or connections drop at 60s. Small writeup of the gotchas.
systemd timers I keep reaching for
Cron still works, but timers are easier to reason about once you stop fighting them. A short field guide.
Tuning an nginx ingress under burst load
Default ingress-nginx settings are conservative. Here's what we changed when traffic spiked 8× during a launch.