Amazon SQS quotas - Amazon Simple Queue Service
This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: December 30, 2025.

Amazon SQS quotas

This topic explains the quotas and limitations for Amazon SQS FIFO and standard queues, detailing how they impact queue creation, configuration, and message handling. Learn about constraints like message retention limits, in-flight message caps, and throughput thresholds, as well as strategies to maximize efficiency through batching, API call optimization, and long polling. This topic also covers naming conventions, tagging rules, and methods for requesting quota increases to meet high-demand workloads, ensuring effective queue management and optimal performance.