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How One CTO Cut Cloud Costs by Rethinking Commitments

How One CTO Cut Cloud Costs by Rethinking Commitments

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Episode 38 of Tech Leadership with Fexingo. Lucas and Luna explore how a real CTO saved forty percent on cloud bills by replacing reserved instances with convertible commitments and usage forecasting. They walk through the actual math: moving from a one-year fixed reservation to a dynamic portfolio of convertible RIs and Savings Plans, using a rolling forecast of compute demand. Lucas explains the three levers the CTO pulled: converting underutilized reservations, layering Savings Plans on top, and rightsizing instances based on six months of data. Luna pushes back on whether this works for startups with spiky traffic. They land on a framework: the 'commitment delta' — the gap between what you reserved and what you actually use. If that delta is under ten percent, you're doing well. Over thirty percent, you're losing money. The episode gives listeners a specific, actionable number to audit their own cloud commitments this quarter. No fluff, no theory — just a real decision from a real engineering leader. #CloudCosts #CTO #ReservedInstances #SavingsPlans #CostOptimization #FinOps #AWS #Azure #GCP #EngineeringLeadership #TechLeadership #CloudFinance #Infrastructure #DevOps #FexingoBusiness #BusinessPodcast #Technology #Podcast Keep every episode free: buymeacoffee.com/fexingo
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