Engineering Chaos for Resilient Applications: A Gameday Guide
summary
Walks through running a gameday using Harness Chaos Module and LitmusChaos on a demo “boutique” ecommerce app, targeting the cart deployment with a pod network packet-loss experiment under synthetic load. Observability uses Prometheus and Grafana (QPS and latency); a Prometheus probe fails while a health probe passes, dropping resilience score to 50. Shows pre/post guardrails, probe YAML (PromQL latency <50ms), Slack alerting, and a mitigation/playbook cycle for root-cause and fixes.
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chapters (14)
- 0:00Introduction to talk
- 1:06What is resilience
- 2:31Chaos engineering basics
- 4:17Game day overview
- 5:44Game day checklist elements
- 8:08Demo app setup
- 10:13Steady state hypothesis
- 12:39Choosing chaos experiments
- 14:02Guard rails and mitigation
- 15:46Harness chaos platform demo
- 18:36Running chaos experiment
- 22:51Experiment results analysis
- 26:16Experiment manifest explained
- 28:23Game day wrap-up and Q&A
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