Most people have figured out that the average response time for a web service is a very poor estimate of it’s behavior, as responses are usually much faster than the average, but there’s a long tail of much slower responses. The common way to deal with this is to measure…

This post started out as a reaction to attending SC22 after about 20 years away from the HPC mainstream. I had a version of this published as a story at InsideHPC on December 1st. In early January a related paper was published by Satoshi Matsuoka et. al. on Myths and…

This is a synthesis of several recipes that I’ve modified over the years. I usually make a cake for the holidays. Growing up my mother made what she called a Dundee Cake, a round fruit cake with almonds on top. She would make it a month before, and soak brandy…

I retired from Amazon and full time corporate work at the beginning of June 2022. However I’m signing up to be a long term advisor at a few companies where I already have good connections, and also was introduced to an opportunity to do some consulting advisory work for a…

I gave a talk at Monitorama in Portland Oregon in June, which set out the idea that carbon is just another metric to monitor, and that in a few years most of the monitoring and performance tuning tools are going to be reporting and optimizing for carbon alongside latency, throughput…

I spent six years at Cambridge Consultants, building some interesting systems, managing our Sun workstations and learning a lot, but by then Sun had opened a sales office across the street, and I wanted to find out what they were going to release next, before everyone else. So in 1988…

My bio starts with this phrase “Adrian Cockcroft has had a long career working at the leading edge of technology, and is fascinated by what happens next.” About every 5–7 years the thing I was working on that was going to happen next matured and went mainstream, and something new…

After a long career working at the leading edge of technology, I retire from full time work on June 3rd 2022. I joined Amazon in October 2016, as a VP in AWS Marketing focused on building relationships with customers. I keynoted 20 AWS Summits around the world, presented on technical…

A year ago I did a talk at re:Invent called Architecture Trends and Topics for 2021, so I thought it was worth seeing how they played out and updating them for the coming year. …