AWS CLI Command Reference

Note:

You are viewing the documentation for an older major version of the AWS CLI (version 1). To view this page for the AWS CLI version 2, click here.

AWS CLI v1 entered maintenance mode on August 5, 2026 and will reach end-of-support on July 15, 2027. During maintenance mode, releases are limited to critical bug fixes and security issues. AWS CLI v1 will not receive API updates for new or existing services, or be updated to support new regions. For more information, see the maintenance mode announcement.

We recommend that you migrate to AWS CLI version 2. See the installation instructions and migration guide.

[ aws ]

emr-serverless

Description

Amazon EMR Serverless is a new deployment option for Amazon EMR. Amazon EMR Serverless provides a serverless runtime environment that simplifies running analytics applications using the latest open source frameworks such as Apache Spark and Apache Hive. With Amazon EMR Serverless, you don’t have to configure, optimize, secure, or operate clusters to run applications with these frameworks.

The API reference to Amazon EMR Serverless is emr-serverless . The emr-serverless prefix is used in the following scenarios:

  • It is the prefix in the CLI commands for Amazon EMR Serverless. For example, aws emr-serverless start-job-run .
  • It is the prefix before IAM policy actions for Amazon EMR Serverless. For example, "Action": ["emr-serverless:StartJobRun"] . For more information, see Policy actions for Amazon EMR Serverless .
  • It is the prefix used in Amazon EMR Serverless service endpoints. For example, emr-serverless.us-east-2.amazonaws.com .