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Monitoring, Logging, Alerting

Under development

This lesson is part of the course scaffold and is being actively written. The learning objectives and outline below define its final scope.

Learning objectives

By the end of this lesson you will be able to:

  • Expose metrics and health endpoints from every live component and define the system-level signals that indicate trading health
  • Emit structured logs from all components and aggregate them so an incident can be reconstructed after the fact
  • Write an alerting policy with severity tiers that distinguishes what pages a human at 3am from what waits until the morning report
  • Build a web dashboard showing live positions, PnL, and component health at a glance

Outline

  1. What to measure — trading metrics vs system metrics
  2. Health endpoints — liveness, readiness, and staleness checks
  3. Structured logging — formats, correlation IDs, and log levels that mean something
  4. Log aggregation — searchable history for post-mortems
  5. Alerting policies — severity tiers, routing, and alert fatigue
  6. What pages a human at 3am — and what must never
  7. Web dashboards — positions, PnL, and system health

Prerequisites