4Monitoring and Logging
- 4.1Metrics and Alarms
Understand metric monitoring—CloudWatch metrics (standard/custom), alarms, composite alarms, dashboards, and EventBridge. Detect anomalies and drive notifications/automation.
- 4.2Log Management
Understand log collection and analysis—CloudWatch Logs, Logs Insights (queries), metric filters, subscription filters, and centralized logging (Amazon Data Firehose → S3/OpenSearch). Gain insight and detection from logs.
- 4.3Tracing and Unified Observability
Understand unified observability—X-Ray (distributed tracing), ServiceLens, Synthetics (canaries), Container/Lambda Insights, and CloudTrail. Correlate metrics, logs, and traces to find causes fast.

