An e-commerce platform deploys its business on Huawei Cloud. Recently, some customers reported problems such as slow webpage refresh and long waiting time. The operation and maintenance personnel checked the monitoring and found that the IO value of the shared storage for storing static files was too high, so they decided to purchase CDN services to accelerate their website access. The CDN acceleration principle is that when users request resources, static content is obtained from the nearest edge node, and dynamic content is obtained through the acceleration technology manually selects the optimal route back to the source for acquisition.