AWS Batch now supports configurable scale down delay

Published
March 2, 2026
https://aws.amazon.com/about-aws/whats-new/2026/03/aws-batch-configurable-scale-down-delay/

AWS Batch Configurable Scale Down Delay

AWS Batch now allows you to configure a scale down delay for managed compute environments, reducing job processing delays for intermittent and periodic workloads.

You can specify how long AWS Batch keeps instances running after their jobs complete (from 20 minutes to 1 week) with the new minScaleDownDelayMinutes parameter, preventing unnecessary instance terminations and relaunches.

What to do

  • Configure the scale down delay when creating or updating a compute environment via the AWS Batch API or the AWS Batch Management Console.

The delay is applied at the instance level, based on when each instance last completed a job.

Scale down delay is supported in all AWS Regions where AWS Batch is available.

Source: AWS release notes




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