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Amazon ECS introduces Early Success Criteria for service deployments

Published
September 4, 2026
https://aws.amazon.com/about-aws/whats-new/2026/09/amazon-ecs-deployments-early-success/

Amazon ECS Early Success Criteria for Rolling Deployments

Amazon ECS now supports Early Success Criteria for rolling service deployments, allowing you to define when a deployment is successful based on your confidence level and workload needs. This feature helps complete deployments sooner and unblocks subsequent operations.

Key Features

  • Healthy Percent: Configure the proportion of desired tasks that must be running and healthy before marking the deployment successful.
  • Rollback Monitoring: Control how long rollback monitoring applies to protect the deployment until your success criteria are met.
  • Source Revision Cleanup: Choose between BLOCKING and DEFERRED cleanup methods to manage long-lived connections or task scale-in protection.

Availability

The feature is available with the rolling deployment strategy in all AWS Commercial and AWS GovCloud (US) Regions.

What to do

  • Configure Early Success Criteria for new and existing Amazon ECS services using the AWS Management Console, AWS CLI, AWS SDKs, or IaC tools.
  • Review the documentation for more details.

Source: AWS release notes




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