Centralized Logging Aggregation

Collects, parses, and centralizes structured JSON logs across thousands of server containers into an indexed search engine for rapid troubleshooting.

STAFF ENGINEER TAKEAWAY: Always log in structured JSON with correlation IDs so logs from 100 pods can be filtered with a single query.

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More Topics in 13. Observability & Chaos

🔍Distributed Tracing (OpenTelemetry)

Tracks user requests as they traverse across 20+ microservices using propagated `trace_id` and `span_id` context headers.

📊Metrics Collection & Alerting (Prometheus / Grafana)

Time-series numeric telemetry monitoring system performance (CPU, Memory, Request Rate, Error Rate, Duration - RED metrics).

🩺Health Check Aggregation & Status Pages

Aggregates health statuses across internal microservices, third-party payment providers, and databases into a public or internal status dashboard.

🐒Chaos Engineering (Chaos Monkey)

Intentionally terminates random production servers, injects network latency, and severs database links during business hours to verify automated resilience.