| The core business of university is teaching,educational management system is core business systems, course selection system is the core of educational management system.Course selection is a concentrated amount of data calculation behavior, performance requirements is essential, which has become the most important aspects of its availability.Above all,it analyze performance issues of original course selection system, then it propose multi-level performance optimization to improve business processes and to reduce concentration degree of data processing.The point of innovation in this thesis is my favorite course selection module which can shorten online time,and time strategy for course selection course selection start during CET4so that the number of peak decreased and then performance improved.Then it introduce business process diagram and entity relationship diagram,and provide detail design and database design of performance optimization.lt introduce the realization of pre-selection course and import students’course selection result and my favorite course selection and course selection filter and the right allocation table,It provide the method of database optimization and operating environment optimization.It propose stress testing scheme.The result shows performance is upgraded to meet design requirements. As far as Technology is concerned,UML and Loadrunner and store procedures and database connection pool are used.After the online in universities,course selection system meet5000-users online at the same time during the peak period, response speed reduced less than5seconds, application server run stability, and meet course selection requirements of the comprehensive universities. |
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