Create why-use-etcd-on-dedicated-machines.md

stakater · Sep 3, 2019 · d451729 · d451729
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+# etcd is being run on a dedicated set of machines for the following reasons:
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+- The etcd lifecycle is not tied to Kubernetes. We should be able to upgrade etcd independently of Kubernetes.
+- Scaling out etcd is different than scaling out the Kubernetes Control Plane.
+- Prevent other applications from taking up resources (CPU, Memory, I/O) required by etcd.