Day 51 - SQS: Message Queue

📅 Date: July 26, 2026 (Sunday)
🎯 Topic: Amazon SQS
⏱️ Study Time: Approximately 90 minutes

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🎯 Learning Objectives

• Understand the difference between SQS Standard and FIFO queues
• Configure key SQS parameters
• Implement asynchronous processing integrating Lambda and SQS

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📖 Theory Content

1. What is Amazon SQS?

A fully managed message queue service that asynchronously delivers messages between services.

Key Characteristics:

• Fully managed, serverless
• Unlimited throughput
• At-Least-Once Delivery
• Maximum message size: 256 KB
• Default retention period: 4 days (maximum 14 days)

2. SQS Standard Queue vs FIFO Queue