This application discloses a data storage method and apparatus, a computer device, and a storage system, and relates to the computer field. The method includes: performing a database operation on a page of a database to obtain an updated page; caching the updated page in a storage of an application server; and storing a transaction log corresponding to the updated page in a storage server. In this way, the updated page is stored in the application server, and the transaction log is stored in the storage server.