no code implementations • 27 Feb 2024 • JunJie Huang, Jinyang Liu, Zhuangbin Chen, Zhihan Jiang, Yichen Li, Jiazhen Gu, Cong Feng, Zengyin Yang, Yongqiang Yang, Michael R. Lyu
To date, FaultProfIT has analyzed 10, 000+ incidents from 30+ cloud services, successfully revealing several fault trends that have informed system improvements.
no code implementations • 19 Aug 2023 • Jinyang Liu, Tianyi Yang, Zhuangbin Chen, Yuxin Su, Cong Feng, Zengyin Yang, Michael R. Lyu
As modern software systems continue to grow in terms of complexity and volume, anomaly detection on multivariate monitoring metrics, which profile systems' health status, becomes more and more critical and challenging.
1 code implementation • 20 Jul 2023 • Wenwei Gu, Jinyang Liu, Zhuangbin Chen, Jianping Zhang, Yuxin Su, Jiazhen Gu, Cong Feng, Zengyin Yang, Michael Lyu
Performance issues permeate large-scale cloud service systems, which can lead to huge revenue losses.
no code implementations • 8 Jun 2023 • Jinyang Liu, JunJie Huang, Yintong Huo, Zhihan Jiang, Jiazhen Gu, Zhuangbin Chen, Cong Feng, Minzhi Yan, Michael R. Lyu
System logs play a critical role in maintaining the reliability of software systems.
no code implementations • 12 Jun 2019 • Ziheng Wang, Cong Feng, Jie Zhang, Ann Majewicz Fey
Providing an accurate and efficient assessment of operative difficulty is important for designing robot-assisted teleoperation interfaces that are easy and natural for human operators to use.
no code implementations • 5 Nov 2018 • Cong Feng, Jie Zhang
The optimal DMS policy is applied to select the best model at each time step with a moving window.
no code implementations • 10 May 2018 • Cong Feng, Mingjian Cui, Bri-Mathias Hodge, Siyuan Lu, Hendrik F. Hamann, Jie Zhang
This methodology consists of three parts: GHI time series unsupervised clustering, pattern recognition, and UC-based forecasting.
no code implementations • 9 Mar 2018 • Cong Feng, Jie Zhang
The final optimal model is a combination of MMFF models with the best-performed blending algorithm at every hour.