Making Sense of Chaos - Operational Visibility on Distributed Systems
summary
A demo microservice retail app uses AppSync, Lambda, Fargate, DynamoDB, Cognito and a Locust load generator while exporting metrics and logs to CloudWatch and traces to X-Ray; Embedded Metric Format + CloudWatch Logs Insights extracts custom metrics, Anomaly Detection flags a drop in orders (4σ) and an AppSync p99 latency spike to ~9s, Slack alerts arrive via AWS Chatbot, and X‑Ray + Logs pin the failure to a payment gateway timeout after introducing a 7–9s sleep payment service error p99 outlier
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chapters (11)
- 0:00Start
- 1:53Request/reply messaging across a network
- 5:22Observability on AWS
- 5:32Observability in practice
- 6:50What to measure?
- 7:28Capturing metrics System telemetry
- 9:44Log collection Amazon CloudWatch
- 10:08Log analysis
- 11:25Tracing
- 12:00AWS X-Ray
- 13:29Demo architecture
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