Prometheus
Time-series metrics and alerting with PromQL.
Why it is included
CNCF-graduated standard for cloud-native metrics with huge exporter ecosystem.
Best for
Kubernetes and service metrics with Alertmanager.
If you use Windows, Mac, or paid tools
Metrics alternative to Datadog, New Relic, and Splunk metrics slices when you self-host monitoring.
Strengths
- PromQL
- Pull model
- Exporters
Limitations
- Cardinality discipline required
Good alternatives
VictoriaMetrics
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