Writing
Post-mortems, production lessons and the reasoning behind the tools. Every number is checked against its source.
- Your old AWS versions are now a line on your bill: find them before they cost youEKS, RDS, ElastiCache and OpenSearch now charge automatically for running old versions. Here's how to find every affected resource across regions, by hand or with one command. 4 min read.
- Post-mortem: 7,022 chat messages with the wrong author after an ACS resource moveMoving an Azure Communication Services resource left 7,022 messages attributed to the wrong person and 649 stored identities unusable. Root cause, recovery, and the five things worth checking on your own estate. 7 min read.
- Scaling Kubernetes at enterprise scale: HPA/VPA tuning, multi-cloud autoscaling and zero-downtime rolloutsOn Medium.