Chaos Engineering for LLM Production
Chaos engineering for LLMs is its own discipline in 2026. Prerequisites before running experiments in production: defined SLI/SLO, trace+metric+log observability, automated rollback, runbooks, on-call. Architecture has four planes: control (experiment scheduler), target (services, infra, data stores), safety (guards + abort + traffic filters), observability (metrics + traces + logs), feedback (into SLO adjustments). Guardrails are mandatory: burn-rate alerts pause experiments if daily error-budget burn > 2x expected; suppression windows + trace-ID correlation dedupe alert noise. Cadence: weekly small canary + SLO review; monthly game day + postmortem; quarterly cross-team resilience audit + dependency mapping. LLM-specific experiments: memory overload, network failures, provider outages, malformed prompts, KV cache eviction storms. Tooling: Harness Chaos Engineering (LLM-derived recommendations, blast-radius downscaling, MCP tool integration); LitmusChaos (CNCF); Chaos Mesh (CNCF Kubernetes-native).
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