Understanding K8s Quality of Service (QoS)
Overview My recent on-call shift was quite the rollercoaster, but yielded valuable insights as usual. One particularly interesting incident was resolved by modifying our Quality of Service configuration for the impacted application pods to Burstable. What does that mean? Well that’s what I’m hoping to address in this writeup as well as better grok it myself. Quick Infra Overview Our backend is divided into various K8s deployments, each with its own allocated resources:...