Prometheus
Time-series metrics for cloud-native
Observability / Metrics · OSS/MIT · 65.9k
What's Good
Pull-based collection simplifies service discovery. PromQL enables powerful queries. The exporters ecosystem covers everything. CNCF graduated project means long-term support.
The Catch
Single-node storage limits scale. PromQL has a learning curve. High cardinality labels cause problems.
Verdict
The foundation of cloud-native metrics.
Embed
[](https://stackgems.com/gems/prometheus)