School of Computer Science and Technology Harbin Institute of Technology Harbin 150000 China;
Institute of Computer Application China Academy of Engineer Physics Mianyang 621900 China;
Department of Software Sejong University Seoul Korea;
Cyberspace Institute of Advanced Technology Guangzhou University Guangzhou 510006 China;
School of Computer Science and Technology Harbin Institute of Technology Harbin 150000 China;
School of Computer Science and Technology Harbin Institute of Technology Harbin 150000 China;
School of Computer Science and Technology Harbin Institute of Technology Harbin 150000 China;
LSTM; anomaly detection; KPIs;