SRE's Swiss Army Knive - Canary Monitoring
summary
Canary monitoring implements external, synthetic user-journey canaries that click through landing, category, add-to-cart and checkout while cleaning up to avoid real orders and measures step-level latency and availability. Implementation uses CloudWatch + Lambda + Grafana + PagerDuty to run probes every few minutes, feed dashboards and trigger alerts. It detects rare failures — roughly detects ~1% failures in ~1 day — provides SLI/SLO data and deployment feedback but does not localize which backend component failed.
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chapters (10)
- 0:00Intro
- 1:02WHAT TO EXPECT
- 5:31CANARY MONITORING
- 10:55RELIABILITY
- 13:10CODE ORGANIZATION
- 16:20HOW TO KNOW WHAT BREAKS IF ALARMS GO OFF
- 23:17GRAND TRUTH OF SYSTEM STATE
- 24:31PERFORMANCE
- 27:02MONITOR MULTIPLE ENVIRONMENTS
- 27:42KEY TAKE AWAY
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