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Observability

Make production systems understandable with logs, metrics, traces, dashboards, and alerting.

Topic 16 of 24

Prerequisites

System Design
Backend Frameworks

Key Concepts & Skills

Logging
Monitoring
Metrics
Tracing
Write structured logs
Create metrics
Trace requests
Design alerts

Learning Outcomes

Understand the core principles of Logging
Configure and deploy Monitoring successfully
Troubleshoot common issues with Metrics
Understand the core principles of Tracing
Configure and deploy Write structured logs successfully
Troubleshoot common issues with Create metrics
Understand the core principles of Trace requests
Configure and deploy Design alerts successfully

Resources

Official Docs

OpenTelemetry docs Prometheus docs Grafana docs

Practice Exercises

Add request IDs to logs.Create latency and error metrics.Trace one request through multiple services.

Project Task

Add observability to a file storage service.

Quiz

What is the difference between metrics and traces?Explain the answer with one real-world example.List one mistake a beginner might make here.

Notes