We recently migrated hundreds of ZooKeeper instances from individual server instances to Kubernetes without downtime. Our approach used powerful Kubernetes features like endpoints to ease the process, so we’re sharing the high level outline of the approach for anyone who wants to follow in our footsteps. See the end for important networking prerequisites.

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from High Scalability: http://feedproxy.google.com/~r/HighScalability/~3/8qGXZjOZfZ0/hubspot-migrating-zookeeper-into-kubernetes.html

Categories: Architecture