FinOps: Cloud Billing and Usage with ClickHouse (froscon2025)

Learn how to tackle cloud billing complexity across Kubernetes clusters using ClickHouse, OpenCost, and the FOCUS schema. This talk offers practical insights into real-time cost management and scalable FinOps practices for modern cloud environments. Managing costs and billing across numerous Cloud-managed Kubernetes clusters presents significant challenges. In this talk, we'll explore these challenges and discuss solutions using ClickHouse, OpenCost, and how a unified FOCUS schema helps with it. Leveraging ClickHouse's capabilities, we'll demonstrate how it efficiently imports diverse Cloud billing data streams. Additionally, we'll delve into how OpenCost addresses the complexities of real-time cost management within a multitenant architecture. Join us to uncover practical insights into optimizing cloud costs effectively Licensed to the public under http://creativecommons.org/licenses/by/4.0 about this event: https://programm.froscon.org/2025/events/3300.html