%A XU Jia-qing, HU Xiao-yue, TANG Fu-qiao, WANG Qiang, HE Jie %T Detecting Blocking Failure in High Performance Interconnection Networks Based on Random Forest %0 Journal Article %D 2021 %J Computer Science %R 10.11896/jsjkx.201200142 %P 246-252 %V 48 %N 6 %U {https://www.jsjkx.com/CN/abstract/article_19933.shtml} %8 2021-06-15 %X High performance interconnection network is the key to high speed collaborative parallel of all nodes in high perfor-mance computer system.During the operation and maintenance of high performance interconnection networks,it is found that the network port blocking fault caused by the deterioration of link quality is difficult to locate and greatly affects the availability of the whole system.With the advent of the era of artificial intelligence,intelligent operation and maintenance has played an important role in network operation and maintenance.However,research on intelligent operation and maintenance based on high performance interconnection network is relatively few.This paper is based on a large amount of data and rich experience accumulated by operations staff in the self-development of high speed interconnection network operation and maintenance.It proposes a supervised random forest method for network blocking detection.The experimental results show that the proposed method has an ave-rage accuracy of 93.7% while maintaining an average recall rate of 95%,and can effectively solve the problem of network blocking detection.