Optimized abs() for int64 in Go
Branch-free absolute value in Go assembly, and whether the compiler was already doing it better.
I build and scale storage and distributed systems infrastructure, currently as a Tech Lead in Google Cloud Storage. More about me, or see my publications.
Inline vs. discrete rules for AWS Security Groups in Terraform
A small design decision in Terraform with outsized operational consequences.
A WebOps Postmortem
Chasing a 504 across a CDN, nginx and Node.js, and what the incident taught us about staying humble.
Downloading large files in Go
The design story behind grab, and what makes a download resumable, observable and correct.
Writing a Zabbix module with cgo
C and Go interop, and the sharp edges between them.