Explore the development and architecture of TiKV, a distributed transactional key-value database, in this informative 27-minute talk from the Cloud Native Computing Foundation (CNCF). Delve into TiKV's history, requirements, and overall structure, including its layer architecture and key features such as high scalability, data consistency, and high-performance I/O. Learn about the challenges faced in its development and the implementation of priority I/O scheduling. Gain valuable insights into the evolution of this robust and reliable distributed storage system.