Reliability Monitoring: Tips and Tools
summary
Covers reliability monitoring using Prometheus for white‑box metrics (contrasting podMonitor vs serviceMonitor and direct scraping vs via Service), Prometheus Blackbox Exporter for synthetic probes that contact external endpoints, OpenTelemetry for tracing, and Grafana for dashboards and alerts. Advises combining white‑box for debugging with synthetic black‑box checks for user‑facing verification, shows real examples (SSL certificate expiration detected by probes, reusable synthetic load tests with k6) and proposes alert thresholds (info 60–80%, warning 80–96%, error >96%).
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chapters (12)
- 0:00Introduction
- 1:13Common reliability issues
- 4:23SRE and sustainability
- 8:21Why monitoring matters
- 10:12White Box: Prometheus & Grafana
- 14:27Black Box: Blackbox Exporter
- 19:31Synthetic user simulation
- 21:40APM
- 25:44Golden Signals
- 26:45Alert management & errors
- 29:54White vs Black Box
- 32:00Resources & conclusion
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