Observability is a very popular buzzword for measuring your system's performance, and vendors are extremely excited to sell you tools that will grant meaningful insight to performance problems.

But real observability isn't a product you can buy in a box, it's about truly understanding your system, reducing the number of 'black box' components in your stack, and quickly finding the cause of problems.

I'll show you how tools like Grafana and Prometheus can make it easy to measure your stack.