AZ-104 Certification Notes

Chapter 12 - Using Azure Monitor

Describing Azure Monitor

• Full-Stack Monitoring
  • Provides end-to-end monitoring for applications and underlying infrastructure
  • Captures metrics and logs on monitored resources
    • Monitor Azure resources
    • Monitor on-premises resources
    • Monitor platform services
    • Monitor application code

Metric vs. Logs

• Metrics
  • Short, time-based data
  • Frequently updated
  • Near real-time data
  • Alerts based on numeric values
  • Visualization via Metrics Explorer
• Logs
  • Long, event-based data
  • Sporadically updated
  • Free-form and/or structured
  • Stored in Log Analytics workspace
  • Built-in query language (Kusto)

Monitoring Explained

• Azure
  • Metrics
    • Azure Monitor
      • Metrics Explorer
    • Log Analytics
      • Log Analytics
    • Storage Accounts
    • Event Hub
      • Non-Azure Destinations
  • Logs

Key Takeaways

• Metrics
  • Metrics are gathered on a per-resource basis
  • How to use metrics?
    • View metrics in Metrics Explorer
    • Query in Log Analytics
    • Alert and take action
    • Export and archive
• Logs
  • Logs are not gathered by default by the Azure platform
  • How to use logs?
    • Query in Log Analytics
    • Archive
    • Stream to third party
• Diagnostic Settings
  • Define how and where metrics and logs will be stored on a per-resource basis
    • OS-level data
    • App-level data