~/blogs
$grep -r "#performance" ./|
Posts tagged performance, newest first.
engineering2026-08-1810 min read
The Real Bottleneck at 1 Million RPS
A real 1M req/sec benchmark on AWS. The database broke exactly once. Here's what broke the other four times, and what actually fixed each one.
#performance#scalability#aws#redis
cat post.mdengineering2026-08-0414 min read
Find out where your latency actually goes
A measurement procedure that tells you which layer of your stack owns the delay, before you optimize the wrong one. Worked through on a system that turned out to be 98% network.
#performance#latency#networking#measurement
cat post.md