Terraform Applied Cleanly and Measured Nothing
A successful apply means the checks were written, not that anything is being measured. Then the dashboard went red on every panel except one — and that one exception was the entire diagnosis.
Server & Infrastructure
Hetzner, CloudPanel, large scaled environments, nginx configuration and general server administration.
We Designed a Monitoring Stack, Then Decided Not to Build It
Three architecture decision records planned a self-hosted performance-monitoring stack in detail. The fourth one priced it against the market and killed it — because the servers were never the expensive part.
What ‘VIP-Style Multisite’ Actually Means for a Performance Bug
Every fix in this series landed at a different layer — application code, shared plugin, edge config, vendor dashboard. The scoping decision matters more than the fix itself, and it’s rarely obvious from the bug report.
Sizing a Covering Index on Shared Multisite MySQL
An index that fixes one site’s slow query has a write cost paid by every site sharing that database tier. A checklist for deciding whether a covering index actually pays for itself, before adding it.
Why Your Full-Page Cache Needs an Opinion About Query Strings
Two separate incidents on the same network turned out to be the same root cause wearing different clothes: a cache key that let the request decide what it means, instead of the other way around.