IV. EXPERIMENTS Test environment for an HP server. The experimental data from the log file of the library, the total data amount was a month for access to records, data preprocessing. Choose 20 users to evaluate the accuracy of the page to evaluate the analysis, each user to carry out two tests. The first time was based on the Mapreduce and user mode clustering of library personalized recommendation method to test, the second times of library personalized recommendation method based on Mapreduce and association rules mining to test. 20 customers through two tests to evaluate the accuracy of recommended pages. Average accuracy obtained were shown in Fig.1.