This blog post was originally published on Bezaleel Silva’s Medium blog.
Recently, in our daily operations, we took a deep dive into the inner workings of linkerd-destination, one of the most critical components of the Linkerd control plane.
The motivation was simple: as our cluster grew and traffic increased, the question shifted from “Does Linkerd work?” to “How exactly does it react when everything changes at once?”. Frequent deployments, production scaling, security policies being applied — and at the center of all this, the destination service.