This post is a writeup of a talk I gave last month at KubeCon EU 2020. Introduction In mid-2019, the Linkerd project’s continuous integration (CI) took 45 minutes, all tests were serialized on a single Kubernetes cluster, and multi-hour backups were common. A migration onto one-off Kubernetes in …

Linkerd, our service mesh for cloud-native applications, needs to handle very high volumes of production traffic over extended periods of time. In this post, we’ll describe the load testing strategies and tools we use to ensure Linkerd can meet this goal. We’ll review some of the problems we faced...