Most cloud sustainability tools are built for sustainability officers. They pull three-month-old billing data, run it through a proprietary model, and produce a PDF that engineers never see. By the time you know your us-east-1 cluster emits twice as much as us-west-2 would have, it's been running for a quarter. The architecture is locked in. The carbon is already burnt. The only moment you can act
Customers expect analytics inside your product. Not in a separate BI tool. Inside your app, loading fast, showing only their data. ClickHouse is the engine most teams reach for when they need this at scale. PostHog, LaunchDarkly, and Inigo all run customer-facing analytics on it. What they all discovered: the hard part isn't query performance. It's tenant isolation, and most of the advice online g