Study shows how manual Kubernetes scaling during incidents interacts with GitOps tools

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A lab test on Rancher 2.15.1 with Fleet examined three scenarios for manual scaling during a production incident. When a user directly scaled a deployment, Fleet automatically reverted the change to match Git configuration within seconds. Pausing Fleet allowed the manual fix to persist, but the GitOps UI incorrectly showed the system as healthy while drifted. The manual scale could later block a Git-based update due to field ownership conflicts, requiring a revert before deployment could proceed.

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