Explore LINE Corporation's journey in scaling their private cloud, Verda, to 4 million cores over a 5-year period. Delve into the challenges faced, lessons learned, and innovative solutions implemented during the cloud's evolution. Gain insights into the infrastructure scale, service stack, and key development phases of Verda. Discover the requirements for bare metal server management and learn about the new architecture, including the bare metal compute driver. Examine the Verda Dashboard's features, such as stock management and HA Group support with failure domain. Understand the deployment procedures and how LINE overcame various obstacles to achieve significant growth in their OpenStack-powered cloud infrastructure.