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Amazon EMR Serverless now supports live configuration updates without application restarts

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This article announces that Amazon EMR Serverless now supports live configuration updates without stopping applications.

  • Update maximum capacity and custom image settings without application restarts
  • New workloads use updated settings immediately while existing workloads continue uninterrupted
  • Eliminates need for maintenance windows and job submission coordination
  • Enables immediate response to changing workload demands and image updates
  • Available on all EMR releases and AWS Regions where EMR Serverless operates

This feature reduces operational overhead by allowing configuration changes without disrupting running jobs.

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