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AWS Lambda Provisioned Mode for Amazon SQS event source mappings now supports up to 10,000 event pollers

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AWS Lambda now supports a maximum of 10,000 event pollers for Provisioned Mode for Amazon SQS event source mappings, a 5x increase from the previous 2,000 limit.

  • Enables up to 100,000 concurrent invocations per ESM for highly scalable applications
  • Supports mission-critical workloads like real-time order processing and financial transactions
  • Eliminates need to split workloads across multiple ESMs for large-scale deployments
  • Available in all AWS Commercial Regions via API, Console, CLI, SDK, CloudFormation, and SAM
  • Billing based on Event Poller Units (EPU) consumed

This enhancement enables customers to build at-scale event-driven applications with stringent latency and throughput requirements without architectural workarounds.

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