We talk a lot here about how useful tail sampling is. When you’re ready to actually do it, then check out this post by Marcin Sodkiewicz of Ryanair, called “AWS & OpenTelemetry strikes back: Tail-based Sampling.” Even if you aren’t on AWS, it’ll give you some important details.
https://sodkiewiczm.medium.com/aws-opentelemetry-strikes-back-tail-based-sampling-c0afd8ab93bd
