Kubernetes in Action

Chapter 10. StatefulSets: deploying replicated stateful applications

This chapter covers

• Deploying stateful clustered applications
• Providing separate storage for each instance of a replicated pod
• Guaranteeing a stable name and hostname for pod replicas
• Starting and stopping pod replicas in a predictable order
• Discovering peers through DNS SRV records

You now know how to run both single-instance and replicated stateless pods, and even stateful pods utilizing persistent storage. You can run several replicated web-server pod instances and you can run a single database pod instance that uses persistent storage, provided either through plain pod volumes or through Persistent-Volumes bound by a PersistentVolumeClaim. But can you employ a ReplicaSet ...