Introduction to StatefulSets
Explore how to deploy and manage stateful applications using StatefulSets in Kubernetes. Learn the key features that differentiate StatefulSets from Deployments, focusing on predictable Pod naming, persistent DNS, and volume binding to maintain application state across failures and scaling.
We'll cover the following...
We'll cover the following...
In this chapter, we'll learn how to use StatefulSets to deploy and manage stateful applications on Kubernetes.
For the purposes of this chapter, we define a stateful application as one that creates and saves valuable data. Examples include databases, key-value stores, and applications that save data about client sessions and use it for future sessions.
StatefulSet theory
It’s helpful to compare StatefulSets with Deployments. Both are resources in the Kubernetes API and ...