Keyun Cheng
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Ph.D. Student Department of Computer Science and Engineering Office: Room 118, Ho Sin-Hang Engineering Building |
About
Keyun Cheng is a Ph.D. candidate at Department of Computer Science and Engineering, The Chinese University of Hong Kong. He is a member of Applied Distributed System Lab (ADSLab), supervised by Prof. Patrick P. C. Lee. He received the B.Eng degree in Software Engineering from Sun Yat-Sen University in 2018, the M.Sc. degree in Computer Science from The Chinese University of Hong Kong in 2019.
His research interests include distributed storage systems and erasure coding.
Education
2020.08 - Present: Ph.D. in Computer Science and Engineering, The Chinese University of Hong Kong
2018.08 - 2019.07: M.Sc. in Computer Science, The Chinese University of Hong Kong
2014.08 - 2018.07: B.Eng in Software Engineering, Sun Yat-Sen University
Publications
Conferences
Keyun Cheng, Si Wu, Xiaolu Li, and Patrick P. C. Lee.
“Harmonizing Repair and Maintenance in LRC-Coded Storage.”
Proceedings of the 43rd International Symposium on Reliable Distributed Systems (SRDS 2024), Charlotte, NC, USA, September 2024. (CCF-B)
(AR: 27/87 = 31.0%)
[pdf] [pptx] [code]Xiaolu Li, Keyun Cheng, Kaicheng Tang, Patrick P. C. Lee, Yuchong Hu, Dan Feng, Jie Li, and Ting-Yi Wu.
“ParaRC: Embracing Sub-Packetization for Repair Parallelization in MSR-Coded Storage.”
Proceedings of the 21st USENIX Conference on File and Storage Technologies (FAST 2023), Santa Clara, CA, US, February 2023. (CCF-A)
(AR: 28/122 = 23.0%)
[pdf] [pptx] [poster] [code]Kaicheng Tang, Keyun Cheng, Helen H. W. Chan, Xiaolu Li, Patrick P. C. Lee, Yuchong Hu, Jie Li, and Ting-Yi Wu.
“Balancing Repair Bandwidth and Sub-packetization in Erasure-Coded Storage via Elastic Transformation.”
Proceedings of IEEE International Conference on Computer Communications (INFOCOM 2023), New York, US, May 2023. (CCF-A)
(AR: 252/1312 = 19.2%)
[pdf] [pptx] [code]Yueming Jin, Keyun Cheng, Qi Dou, Pheng Ann Heng.
“Incorporating Temporal Prior from Motion Flow for Instrument Segmentation in Minimally Invasive Surgery Video.”
Proceedings of the 22nd International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI 2019), Shenzhen, China, Oct 2019. (CCF-B) (Oral)
[pdf] [code]
Journals
Zhirong Shen, Yuhui Cai, Keyun Cheng, Patrick P. C. Lee, Xiaolu Li, Yuchong Hu, and Jiwu Shu.
“A Survey of the Past, Present, and Future of Erasure Coding for Storage Systems.”
ACM Transactions on Storage (TOS), 21(1), pp. 4:1-4:39, January 2025. (CCF-A)
[pdf]Xiaolu Li, Keyun Cheng, Zhirong Shen, and Patrick P. C. Lee.
“Fast Proactive Repair in Erasure-Coded Storage: Analysis, Design, and Implementation.”
IEEE Transactions on Parallel and Distributed Systems (TPDS), 33(12), pp. 3400-3414, December 2022. (CCF-A)
(An earlier version appeared in DSN 2019)
[main pdf] [supp pdf] [code]
Academic Activities
Reviewer
USENIX FAST 2025, IEEE ISIT 2024, ACM TOS
Teaching
Awards
Excellent TA Award for CSCI5550, Fall 2023, CUHK
Teaching Assistant, The Chinese University of Hong Kong
CSCI5550 Advanced File and Storage Systems (Instructor: Patrick P. C. Lee)
Fall 2023
CSCI1120B Introduction to Computing Using C++ (Instructor: Law Yat Chiu, King Tim Lam)
Fall 2022
AIST3020 Introduction to Computer Systems (Instructor: Patrick P. C. Lee)
Spring 2023, Spring 2022
CSCI4180 Introduction to Cloud Computing and Storage (Instructor: Patrick P. C. Lee)
Fall 2021
Teaching Assistant, Sun Yat-Sen University
Probablity Theory and Statistics (Instructor: Weiqi Luo)
Fall 2017
Complexity Analysis for Engineering (Instructor: Weiqi Luo)
Spring 2018
Selected Academic Awards
Postgraduate Studentship, CUHK (2020 - 2024)
Dean's List Scholarship, Faculty of Engineering, CUHK, 2019.
First Prize Winner (top 3) of Distinguished Academic Performance Scholarship, M.Sc. in CS, CUHK, 2019.
Second Class Scholarship, SYSU, 2017.
First Class Scholarship, SYSU, 2016.
Third Class Scholarship, SYSU, 2015.