Prometheus, a CNCF open-source project, is a service monitoring system founded in 2012 at CloudSound. It consists of monitoring, alerting, and a time-series database.
Prometheus' main features are:
- a user-defined multi-dimensional data model
- a powerful query language on multi-dimensional data (PromQL)
- time-series data are fetched through HTTP pull
- service discovery as well as static configuration
- visualization of metrics and dashboarding