The Curious Case of the 99.9% Latency Hike

Disclaimer: This is a story from production. I have changed a couple of details, but the gist of the story holds. Exposition On a normal morning, I was checking up on health metrics of a bunch of services, when a new service under test caught my attention. Let's call this service Lucy. Lucy so far … Continue reading The Curious Case of the 99.9% Latency Hike