Troubleshooting and Optimization (18%)DVA-C02 Study Guide

AWS X-Ray Debugging

Objective 4.1 · Troubleshooting

CloudWatch for Developers

Objective 4.2 · Troubleshooting

X-Ray Segments, Annotations, and Sampling

Objective 4.1 · Troubleshooting

CloudWatch Logs Insights Queries

Objective 4.2 · Troubleshooting

AWS Lambda Powertools for Observability

Objective 4.1 · Troubleshooting

CloudWatch Embedded Metric Format (EMF)

Objective 4.2 · Troubleshooting

AWS Distro for OpenTelemetry

Objective 4.1 · Troubleshooting

AWS SDK Configuration and Retry Logic

Objective 4.2 · Troubleshooting

CloudWatch Alarms: Composite and Metric Math

Objective 4.2 · Troubleshooting

AWS Service Quotas and Throttling Handling

Objective 4.2 · Troubleshooting

Error Handling Patterns in Serverless Apps

Objective 4.2 · Troubleshooting

Lambda Cold Start vs Warm Start Optimisation

Objective 4.2 · Troubleshooting

Cost Optimisation for Developers: Lambda, DynamoDB

Objective 4.2 · Troubleshooting