What is Prometheus?
An open-source metrics and alerting system. Prometheus scrapes metrics from Kubernetes components and applications, stores them in a time-series database (TSDB), and evaluates alert rules.
Related tool
K8s Cluster Cost
Calculate the monthly cost of running a self-managed Kubernetes cluster on Hetzner Cloud, Vultr, or DigitalOcean. Choose server types for control planes, workers, and load balancers with HA mode.
Related Calculators
Prometheus Storage
Calculate Prometheus disk and RAM requirements based on active time series count, scrape interval, and retention period. Includes TSDB head, WAL, and chunk cache sizing.
Observability Sizing
Size your Prometheus, Grafana, Loki, and Alertmanager stack. Calculate RAM, disk, and CPU requirements based on your cluster size and retention period.
K8s Cluster Cost
Calculate the monthly cost of running a self-managed Kubernetes cluster on Hetzner Cloud, Vultr, or DigitalOcean. Choose server types for control planes, workers, and load balancers with HA mode.