Limitations - Amazon EMR

Amazon EMR Serverless is in preview release and is subject to change. To use EMR Serverless in preview, follow the sign up steps at The only Region that EMR Serverless currently supports is us-east-1, so make sure to set all region parameters to this value. All Amazon S3 buckets used with EMR Serverless must also be created in us-east-1.


These are the limitations while EMR Serverless is in preview:

  • You can have up to 10 running applications per account.

  • You can have up to 100 active workers per application.

  • A job can run up to three hours.