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by gouggoug 2407 days ago
True, it does not have anything to do with k8s or networks, but, that's the context in which this issue arose: when they noticed a higher network latency on a kubernetes cluster.

The value of this blog post isn't only in the "why" ("reading kernel stats can take a long time and cost a lot of CPU cycles"), but also in the "how" they went about finding the cause of the symptoms is also of interest.