prometheus
Prometheus
Prometheus is the cloud-native standard for metric collection. Prometheus 3.0 (2025) features a modern UI, Native Histograms, and direct OpenTelemetry (OTLP) ingestion.
When to Use
- Kubernetes: Standard monitoring stack (Prometheus Operator).
- White-box Monitoring: Measuring internal state (heap usage, request count) via endpoints.
- Alerting: Alertmanager handles de-duplication and routing to Slack/PagerDuty.
Quick Start
# prometheus.yml
global:
scrape_interval: 15s
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