You can use Redis, a popular open-source in-memory data store, and Kubernetes, an open-source container orchestration platform, together to set up a highly available and performant Redis cluster. A Redis cluster is a set of multiple Redis instances that work together to provide reliability and performance benefits over a single-node environment. By deploying Redis on Kubernetes, you can easily set up a Redis cluster with added benefits such as automated self-healing and rolling updates, horizontal scaling, and centralized management through Kubernetes-native tooling like Helm charts and kubectl. This approach is particularly useful for large-scale deployments where maximizing availability is crucial. To set up a Redis cluster on Kubernetes, you need to deploy Kubernetes first, then create a StatefulSet to manage the nodes in your Redis cluster, specifying the number of replicas and container image as needed.