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Cristián Andrés
Cristián Andrés

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Answer: AWS Step Function - Dynamic parallelism MaxConcurrency Field

You can set maxConcurrency at state machine definition-time, but not at execution-time. As you experienced, Map's maxConcurrency expects a number, but the state machine language uses strings to pass variables dynamically.

(Note: Step Functions are concurrent by default. Docs: maxConcurrency's "default value is 0, which

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