This research presents a high-availability database bundle system that employs message-oriented intermediary software. The system consists of a database service layer comprising multiple database servers and a middle layer situated between the application layer and the database service layer. The middle layer incorporates application proxies, database intermediary software, and a message bus. The application proxies enable connection redirection in the event of node failures, ensuring uninterrupted service and enhanced reliability. The database intermediary software is responsible for intercepting, analyzing, processing, and retransmitting database request messages. The message bus facilitates global sorting of read and write operations performed by the data intermediary software, ensuring data consistency and delivering the sorting results to the database servers. The proposed system offers a practical solution for achieving a high-performance database with excellent availability. It exhibits advantages such as high availability, scalability, and easy construction and management.

high-availability, database bundle, message-oriented intermediary software, application proxies, database intermediary software, message bus, data consistency, reliability, scalability, management