When the conntrack table fills up
A slow afternoon of packet drops that turned out to be a counter, not a cable.
A small note on TLS session reuse
Why the p99 dropped after we stopped throwing handshakes away.
Postgres autovacuum, again
The table was small. The bloat was not.
systemd timers instead of cron
Not because cron is bad, but because logs are good.
Finding a goroutine leak with pprof
Memory grew slowly enough that restarts hid it for months.