AWS for DevOps — Monitoring & Observability

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Chapter 10 — Monitoring & Observability

You can’t fix what you can’t see. Monitoring is the eyes and ears of your DevOps practice.

  ┌──────────────────────────────────────────────────┐
  │           Monitoring & Observability               │
  │                                                    │
  │  CloudWatch        CloudTrail       X-Ray          │
  │  (Metrics/Logs)    (API Audit)      (Tracing)      │
  │  ┌──────────┐    ┌──────────┐    ┌──────────┐    │
  │  │ Metrics  │    │ Who did  │    │ Trace    │    │
  │  │ Alarms   │    │ what,    │    │ requests │    │
  │  │ Logs     │    │ when?    │    │ across   │    │
  │  │Dashboards│    │          │    │ services │    │
  │  └──────────┘    └──────────┘    └──────────┘    │
  │       │                                ▲          │
  │       └───────── SNS Notifications ────┘          │
  └──────────────────────────────────────────────────┘

What You’ll Learn

Section Topic Key Concepts
10.1 CloudWatch Metrics & Alarms Metrics, dimensions, alarm states, actions
10.2 CloudWatch Logs Log groups, log streams, filter patterns, Logs Insights
10.3 CloudWatch Dashboards Custom dashboards, widgets, cross-account
10.4 CloudTrail & X-Ray API auditing, distributed tracing
10.5 SNS for Alerting Topics, subscriptions, alarm notifications
10.6 Practice Exercises Hands-on scenarios

The Three Pillars

Pillar AWS Service Question It Answers
Metrics CloudWatch Metrics “How is my system performing?”
Logs CloudWatch Logs “What exactly happened?”
Traces X-Ray “Where is the bottleneck across services?”

Next → CloudWatch Metrics & Alarms

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