CloudWatch Lambda Insights

• Provides monitoring and troubleshooting for AWS Lambda functions.

• Helps identify performance bottlenecks and resource constraints in serverless applications.

Metrics Collected

• System-level metrics:
• CPU time
• Memory usage
• Disk I/O
• Network usage

• Diagnostic metrics:
• Cold start occurrences
• Lambda worker shutdowns

How It Works

• Delivered as a Lambda Layer that you attach to your functions.

• Once enabled, it automatically collects and sends telemetry to CloudWatch.

Use Cases

• Monitor memory allocation to avoid out-of-memory errors.

• Detect and analyze cold start latency.

• Troubleshoot performance drops and execution delays.