Learn about the remarkable growth and evolution of LINE's private cloud infrastructure in this technical presentation from the OpenInfra Foundation. Explore how the Japanese instant messaging service, serving 176 million monthly active users, scaled their OpenStack-powered cloud named Verda from its 2017 launch to an impressive 4 million cores. Discover the challenges, solutions, and valuable lessons learned during this six-year transformation period that resulted in a 150% infrastructure expansion since 2021. Join speakers Masahito Muroi and Mitsuhiro Tanino as they detail specific phases of Verda's development, sharing concrete solutions implemented to overcome various technical hurdles in managing such a massive private cloud deployment.