National Engineering Research Center for Big Data Technology and System Huazhong University of Science and Technology Wuhan 430074 China;
Services Computing Technology and System Lab Huazhong University of Science and Technology Wuhan 430074 China;
Cluster and Grid Computing Lab Huazhong University of Science and Technology Wuhan 430074 China;
School of Computer Science and Technology Huazhong University of Science and Technology Wuhan 430074 China;
National Engineering Research Center for Big Data Technology and System Huazhong University of Science and Technology Wuhan 430074 China;
Services Computing Technology and System Lab Huazhong University of Science and Technology Wuhan 430074 China;
Cluster and Grid Computing Lab Huazhong University of Science and Technology Wuhan 430074 China;
School of Computer Science and Technology Huazhong University of Science and Technology Wuhan 430074 China;
National Engineering Research Center for Big Data Technology and System Huazhong University of Science and Technology Wuhan 430074 China;
Services Computing Technology and System Lab Huazhong University of Science and Technology Wuhan 430074 China;
Cluster and Grid Computing Lab Huazhong University of Science and Technology Wuhan 430074 China;
School of Computer Science and Technology Huazhong University of Science and Technology Wuhan 430074 China;