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LABADVANCED

Lambda SQS Async Resilience

Design resilient asynchronous processing with Lambda, SQS queues, dead-letter queues, partial batch response, and CloudWatch alerting for Lambda concurrency and queue depth.

40 minutes
cloud/aws
Lambda SQS Async Resilience - Platform Engineering Hands-On Lab Icon

Lab Overview

Implement professional-level serverless resilience patterns for SAP-C02. Configure an SQS standard queue with a dead-letter queue (DLQ). Create a Lambda function that processes SQS batches with partial batch responses for individual message failures. Set up CloudWatch alarms for queue depth, Lambda error rate, and concurrent execution throttles. Test failure scenarios to validate DLQ routing and automated recovery.

What You'll Learn

Configure SQS queue with DLQ and redrive policy

Create Lambda function with SQS event source mapping

Implement partial batch failure handling for message-level resilience

Set up CloudWatch alarms for operational visibility

Prerequisites

Understanding of AWS Lambda, SQS, and IAM execution roles

Familiarity with CloudWatch metrics and alarms

Technologies Covered

awssap-c02lambdasqsresiliencedlqserverlessevent-driven

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