Which AWS feature can be used to trigger actions based on specific error patterns in AWS Lambda?
- CloudWatch Alarms
- CodePipeline
- SNS Notifications
- Step Functions
CloudWatch Alarms can be set to trigger actions when specific error patterns or thresholds are met, allowing for automated response to errors.
How does AWS X-Ray facilitate error tracing in AWS Lambda functions?
- By creating backups of function data
- By encrypting function code
- By providing end-to-end request tracking
- By storing logs in CloudWatch
AWS X-Ray provides end-to-end request tracking, which helps in tracing errors and performance bottlenecks in AWS Lambda functions by showing a map of the request's path through the services.
What are some best practices for logging and error handling in AWS Lambda for production environments?
- Avoid using try-catch blocks
- Ignore minor errors
- Store logs in local files
- Use structured logging with JSON
Using structured logging with JSON in AWS Lambda helps in easily parsing and analyzing logs, which is essential for monitoring and debugging in production environments.
How can you monitor and respond to error rates in AWS Lambda functions?
- Configure IAM Roles
- Enable API Gateway
- Set up CloudWatch Alarms
- Use Lambda Triggers
Setting up CloudWatch Alarms allows you to monitor error rates in AWS Lambda functions and respond to them by triggering notifications or automated actions when specified thresholds are met.
What role does AWS X-Ray play in monitoring serverless applications?
- Configuring security
- Generating logs
- Managing infrastructure
- Tracing and analyzing requests
AWS X-Ray allows you to trace and analyze requests as they travel through your serverless applications, providing insights into performance bottlenecks and dependencies.
What are some strategies for optimizing monitoring costs in AWS Lambda?
- Enabling detailed monitoring
- Filtering logs by severity
- Increasing log retention periods
- Sending all logs to monitoring services
By filtering logs based on severity levels, you can reduce the volume of data sent to monitoring services like AWS CloudWatch, thus lowering costs associated with log ingestion and storage.
__________ are used to trigger alarms based on predefined thresholds for AWS Lambda metrics.
- CloudFormation
- CloudWatch Alarms
- IAM Roles
- S3 Buckets
CloudWatch Alarms are used to trigger alarms based on predefined thresholds for AWS Lambda metrics.
__________ is a service that provides centralized logging for AWS Lambda functions.
- AWS Lambda Logs
- AWS X-Ray
- Amazon CloudWatch Logs
- Amazon S3
Amazon CloudWatch Logs is a service that provides centralized logging for AWS Lambda functions.
AWS Lambda function __________ can help identify performance bottlenecks and improve efficiency.
- Monitoring
- Packaging
- Scaling
- Versioning
Monitoring AWS Lambda functions can help identify performance bottlenecks and improve efficiency by providing insights into resource utilization and execution metrics.
AWS CloudWatch __________ allows you to create custom metrics for monitoring specific aspects of AWS Lambda functions.
- Alarms
- Custom namespaces
- Dashboards
- Log groups
AWS CloudWatch custom namespaces allow you to create custom metrics for monitoring specific aspects of AWS Lambda functions, providing detailed insights into performance and behavior.