Event Source Mapping

AWS DVA-C02 Drill: Lambda-SQS Workflow Delay - Choosing the Most Operationally Efficient Solution

1 June 2025·817 words·4 mins

Certification Drills AWS DVA-C02 Lambda Amazon SQS DelaySeconds Event Source Mapping

Analyzing delay implementation in Amazon SQS and Lambda workflows to select the most operationally efficient approach.

AWS DVA-C02 Drill: DynamoDB Streams - Event Source Mapping Explained

15 May 2025·710 words·4 mins

Certification Drills AWS DVA-C02 DynamoDB Lambda Streams Event Source Mapping

Analyzing the correct setup needed to invoke Lambda functions on DynamoDB table updates.

AWS DVA-C02 Drill: Lambda & SQS Event Source - Visibility Timeout vs. Lambda Timeout

20 April 2025·749 words·4 mins

Certification Drills AWS DVA-C02 Lambda SQS Event Source Mapping

Analyzing the interaction between Lambda function timeout and SQS visibility timeout to prevent message duplication.

AWS DVA-C02 Drill: Lambda Concurrency Management - Prioritizing Multiple SQS Event Sources

10 April 2025·952 words·5 mins

Certification Drills AWS DVA-C02 Lambda SQS Event Source Mapping Concurrency

Analyzing an AWS Lambda concurrency scenario with multiple SQS queue event sources to identify the correct prioritization and concurrency configuration.

AWS DVA-C02 Drill: SQS Lambda Integration - Visibility Timeout vs. Delivery Delay

24 January 2025·1620 words·8 mins

Certification Drills AWS DVA-C02 Amazon SQS AWS Lambda Event Source Mapping Visibility Timeout Message Processing

Analyzing the SQS-Lambda event source mapping scenario to identify the correct configuration strategy for eliminating duplicate message processing when dealing with long-running third-party API calls.