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Scaling AWS Step Functions: When Standard Maps Hit Their Limits episode artwork

Jul 30, 2025 6 min

Scaling AWS Step Functions: When Standard Maps Hit Their Limits

from Architecture Corner Hosted by Mario Bittencourt

Architecture Corner Newsletter Podcast - Your deep dive into cloud architecture patterns and real-world implementation strategies. In this episode, we will cover: Understanding AWS Step Functions Map state capabilities and constraints The 256KB payload limitation and its impact on large-scale processing Concurrency bottlenecks with standard Maps (40 execution limit) How Distributed Maps solve size and concurrency challenges Scaling from 40 to 10,000 concurrent executions S3 integration patterns for handling massive datasets Performance comparisons and execution time improvements Event history management for large parallel workloads When to choose Distributed Maps over standard approaches For more details check ⁠here⁠. If you are interested in more information about software development and architecture, subscribe for free to our ⁠newsletter⁠. --- https://architecturecorner.substack.com

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