
Use AWS Lambda with EventBridge to automatically adjust Amazon AppStream 2.0 fleet scaling policies based on time of day, optimizing costs by matching instance scaling to actual usage patterns.


<div><p>This article explains how to use AWS Lambda and EventBridge to dynamically adjust Amazon AppStream 2.0 auto-scaling policies based on time of day, optimizing costs by matching scaling steps to usage patterns.</p><ul><li>Create IAM policy and role granting Lambda permissions for AppStream scaling operations</li><li>Build Lambda function that modifies step scaling policies and CloudWatch alarm thresholds</li><li>Configure EventBridge rules to trigger Lambda at specific times (e.g., 9 AM and 5 PM UTC)</li><li>Adjust scaling step sizes and thresholds via JSON event parameters passed to Lambda</li><li>Scale out aggressively during peak hours, conservatively during off-peak periods</li><li>Reduces unnecessary resource launches and associated costs</li></ul><p>This solution enables cost-effective AppStream 2.0 fleet management by automating scaling policy adjustments to match daily usage patterns.</p></div>


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