Engineering deep-dives, incident retros and observability practice from the Helix team.
Half our fleet found the new load balancer instantly. The other half kept hammering an IP that had been decommissioned an hour...
A runbook written for the person you are today is useless to the person you will be at 3 a.m. — tired, paged, and half-awake....
We didn't fix on-call by paging people less. We fixed it by finally admitting our rotation math had been wrong for two years.
Keeping every log line is expensive and mostly useless. Keeping the right one percent is cheap and mostly what you need. The...
I read every postmortem our team wrote over eighteen months looking for a pattern. There was one, and it wasn't the one I...
Three weeks of OOM restarts, always between Tuesday and Wednesday, never any other day. The pattern felt insane until we found...
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