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docs(autoscaling): clarify default cooldown behavior - #39329

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Dricmoy:docs/autoscaling-cooldown-guidance-32667
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Dricmoy wants to merge 1 commit into
aws:mainfrom
Dricmoy:docs/autoscaling-cooldown-guidance-32667

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@Dricmoy Dricmoy commented Oct 16, 2026 •

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Issue # (if applicable)

Closes #32667.

Reason for this change

The AutoScalingGroup.cooldown API documentation does not explain that cooldown governs simple scaling policies. This can lead users to expect it to delay target tracking or step scaling activities.

Description of changes

Clarify the JSDoc for cooldown: target tracking and step scaling use instance warmup instead, and the group cooldown is a fallback only when neither a policy-specific nor default instance warmup is configured. No runtime behavior changes.

Describe any new or updated permissions being added

None.

Description of how you validated changes

Ran ESLint on the changed file and git diff --check. No integration test or snapshot is needed for a JSDoc-only change.

Checklist

  • My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

@Dricmoy
Dricmoy deployed to automation October 16, 2026 04:42 — with GitHub Actions Active
@Dricmoy
Dricmoy deployed to automation October 16, 2026 04:42 — with GitHub Actions Active
@github-actions github-actions Bot added p2 beginning-contributor [Pilot] contributed between 0-2 PRs to the CDK labels Oct 16, 2026
@aws-cdk-automation
aws-cdk-automation requested a review from a team October 16, 2026 04:42
@Dricmoy
Dricmoy deployed to automation October 16, 2026 04:42 — with GitHub Actions Active
@github-actions github-actions Bot added effort/small Small work item – less than a day of effort feature-request A feature should be added or improved. labels Oct 16, 2026
@Dricmoy
Dricmoy deployed to automation October 16, 2026 04:42 — with GitHub Actions Active

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automation — 42e41432 Deployed Oct 16, 2026 by Dricmoy via validate-pr #372763
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beginning-contributor [Pilot] contributed between 0-2 PRs to the CDK effort/small Small work item – less than a day of effort feature-request A feature should be added or improved. p2

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AutoScaling: Validate use of Cooldown

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