Redis, a popular caching engine, is widely used and available as a managed service by major cloud providers, addressing various use cases like distributed locking and rate limiting. Monitoring Redis performance is crucial, and Prometheus, an open-source monitoring system, effectively manages and tracks Redis metrics by using an exporter to extract and expose data in a format Prometheus can scrape. Setting up Prometheus for Redis involves installing the Redis exporter and configuring Prometheus to collect metrics, which can be visualized with tools like Grafana. In Kubernetes environments, Redis can be monitored by deploying the exporter as a sidecar or separate pod, depending on the setup. Key metrics to monitor include client connections, memory utilization, network I/O, and throughput, which help identify performance issues. Prometheus is simple to use for small-scale operations but becomes complex at larger scales, where tools like Logz.io provide enhanced observability by unifying metrics, logs, and traces, enabling more efficient scaling and management of Redis performance data.