Prometheus

A time-series monitoring system with a pull-based metrics model.

Overview

Prometheus collects labeled metrics, evaluates alerting rules, and supports a broad ecosystem of exporters and compatible storage systems.

Why it is interesting

Why pay attention

Its data model and query language remain foundational for cloud-native metrics even when long-term storage is delegated elsewhere.

Editorial status

Recommended for active evaluation.

Best for

Not ideal for

Open source & pricing

Prometheus is free and self-hostable; storage and managed services may add cost.

GitHub momentum

Included in stacks

Official links

Sources checked