Personal Profile

Wang Jiguang, male, born in July, 1972, holds a doctoral degree of engineering and is now a professor, supervisor of doctorate candidates. He studied in University of Central Florida,United States for 1 year on a visiting study program. Currently, he works as the director of Innovation Center of Cloud Storage Technology jointly hold by Huazhong University of Science and Technology and Huawei Technologies Co. Ltd.

Academic Degrees

2003.9 - 2007.6

Huazhong University of Science and Technology Doctoral Degree - Postgraduate (Doctoral)

2000.9 - 2003.7

Huazhong University of Science and Technology  Master's degree - Postgraduate (Master's Degree)

1992.9 - 1996.6

Zhengzhou University  Bachelor's Degree - Undergraduate (Bachelor’s degree)

Professional Experience

2010.11 - Now

Huazhong University of Science and Technology - Wuhan National Laboratory for Optoelectronics

2003.9 - 2010.10

Huazhong University of Science and Technology-School of Computer Science and Technology-teacher

Courses Taught

Computer System Structure

Awards and Honors

2008 Won the third prize for scientific and technological progress: Multi-protocol disk array controller adopting the zero-copy technique.

2008 Won the second prize for Hubei Science and Technology Invention：Evolution of key technologies of mass storage system and its implementation methods.

2008 Project supported by the Ministry of Industry and Information Technology: high-performance and multi-protocol disk array.

Selected Projects Funded

A general project supported by the National Natural Science Foundation of China: Reseach on the theory, structure and implementation of the mixed shingled write recording disk array system.

A general project supported by the National Natural Science Foundation of China: re search on the structure and rationale of intellectual mixed key - value storage system with h horizontal expansion.

Selected Publications

[1] Kai Lu, Nannan Zhao, Jiguang Wan, Changhong Fei, Wei Zhao, and Tongliang Deng, TridentKV: A Read-Optimized LSM-tree Based KV Store via Adaptive Indexing and Space-Efficient Partitioning，IEEE Transactions on Parallel and Distributed Systems. Volume 33, Number 8, 1953-1966, August 2022.

[2] Yiwen Zhang，Ting Yao, Jiguang Wan，Changsheng Xie，Building GC-free Key-Value Store on HM-SMR drives with ZoneFS，ACM Transactions on Storage 2022

[3] Chenlei Tang, Jiguang Wan, and Changsheng Xie. FenceKV: Enabling Efficient Range Query for Key-Value Separation, IEEE Transactions on Parallel and Distributed Systems 2022.

[4] Zhonghua Wang, Ting Yao , Jiguang Wan , Hong Jiang, Qiu Cui, Liu Tang, Yiwen Zhang, Qiuyang Zhang. ComboTree: A Persistent Indexing Structure with Universal Operational Efficiency and Scalability. IEEE Transactions on Parallel and Distributed Systems 2022.

[5] Kai Lu, Nannan Zhao, Jiguang Wan, Changhong Fei, Wei Zhao, Tongliang Deng. RLRP: High-Efficient Data Placement with Reinforcement Learning for Modern Distributed Storage Systems, s，2022 IEEE International Parallel and Distributed Processing Symposium（IPDPS 2022）

[6] Peng Xu，Nannan Zhao，Jiguang Wan, Wei Liu, Shuning Chen, Yuanhui Zhou, Hadeel Albahar ,Hanyang Liu, Liu Tang, and Zhihu Tan. Building A Fast and Efficient LSM-tree Store by Integrating Local Storage with Cloud Storage. Transactions on Architecture and Code Optimization 2022.

[7] Peng Xu，Nannan Zhao，Jiguang Wan, Wei Liu, Shuning Chen, Yuanhui Zhou, Hadeel Albahar ,Hanyang Liu, Liu Tang, and Changsheng Xie. Building A Fast and Efficient LSM-tree Store by Integrating Local Storage with Cloud Storage. cluster2021,2021.8

[8] Ting Yao, Yiwen Zhang, Jiguang Wan*, Qiu Cui, Liu Tang, Hong Jiang, Changsheng Xie, Xubin He. MatrixKV: Reducing Write Stalls and Write Amplification in LSM-tree Based KV Stores with a Matrix Container in NVM, The 2020 USENIX Annual Technical Conference (USENIX ATC '20) ,July 15–17, 2020, Sheraton in Boston, MA, USA.

[9] Daping Li, Jiguang Wan*, Jun Wang, Jian Zhou, Kai Lu, Peng Xu, Fei Wu and Changsheng Xie. Disperse Access Considered Energy Inefficiency in Intel Optane DC Persistent Memory Servers，40th IEEE International Conference on Distributed Computing Systems（December 2 - 4, ICDCS 2020）

[10] Daping Li, Jiguang Wan*, Duo Wen, Chao Zhang, Nannan Zhao, Fei Wu and Changsheng Xie. PreMatch: An Adaptive Cost-Effective Energy Scheduling System for Data Centers. In Proceedings of the 36th IEEE Symposium on Mass Storage Systems and Technologies.

[11] Ting Yao, Jiguang Wan*, Ping Huang,Yiwen Zhang, Zhiwen Liu, and Changsheng Xie, Xubin He, and Changsheng Xie. GearDB: A GC-free Key-Value Store on HM-SMR Drives with Gear Compaction.（February 25–February 28, FAST 2019）

[12] Ting Yao, Zhihu tan, Jiguang Wan*, Ping Huang, Yiwen Zhang, Changsheng Xie, and Xubin He. SEALDB: An Efficient LSM-tree based KV Store on SMR Drives with Sets and Dynamic Bands, IEEE Transactions on Parallel and Distributed Systems. July 2019.

[13] Ting Yao, Zhihu tan*, Jiguang Wan*, Ping Huang, Yiwen Zhang, Changsheng Xie, and Xubin He. A Set-aware Key-Value Store on Shingled Magnetic Recording Drives with Dynamic Band, 2018 IEEE International Parallel and Distributed Processing Symposium.

[14] Daping Li, Xiaoyang Qu, Jiguang Wan*, Jun Wang, Yang Xia, Xiaozhao Zhuang, and Changsheng Xie. “Workload Scheduling for Massive Storage Systems with Arbitrary Renewable Supply.” IEEE Transactions on Parallel and Distributed Systems. vol. 29, no.104, pp. 2373-2387,October 2018.

[15] Ting Yao, Jiguang Wan*, Ping Huang, Xubin He, Fei Wu*, Changsheng Xie. Building Efficient Key-Value Stores via a Lightweight Compaction Tree. ACM Transactions on Storage .

[16] Ting Yao, Jiguang Wan*, Ping Huang, Xubin He, Qingxin Gui, Fei Wu, Changsheng Xie. A Light-weight Compaction Tree to Reduce I/O Amplification toward Efficient Key-Value Stores. International Conference on Massive Storage Systems and Technology.

[17] Jiguang Wan, Wei Wu, Ling Zhan, Xiaoyang Qu, Qing Yang, Changsheng Xie*. DEFT-Cache: A Cost-effective and Highly Reliable SSD Cache for RAID Storage. 2017 IEEE International Parallel and Distributed Processing Symposium.

[18] Xiaoyang Qu, Jiguang Wan*, Fengguang Song, Xiaozhao Zhuang, Fei Wu, Changsheng Xie. OptiMatch: Enabling an Optimal Match between Green Power and Various Workloads for Renewable-Energy Powered Storage Systems. Parallel Processing, August 2017

[19] Wei Wu, Jiguang Wan, Ling Zhan,Jibin Wang,Changsheng Xie, DROP: A New RAID Architecture for Enhancing Shared RAID Performance. The Computer Journal, 2017

[20] Xiaoyang Qu and Jiguang Wan, Jun Wang, Liqiong Liu, Dan Luo, and Changsheng Xie. GreenMatch: Renewable-Aware Workload Scheduling for Massive Storage Systems. In Proceedings of the 30th IEEE International Parallel & Distributed Processing Symposium .

[21] Dan Luo, JiguangWan*, Yifeng Zhu, Nannan Zhao, Feng Li and Changsheng Xie. Design and Implementation of a Hybrid Shingled Write Disk System. IEEE Transactions on Parallel and Distributed Systems. vol. 27, no. 4, pp. 1017-1029, April 2016.

[22] Jiguang Wan, Peng Xu, Xubin He, Jibin Wang, Junyao Li, and Changsheng Xie*. H-Scale: A Fast Approach to Scale Disk Arrays via Hybrid Stripe Deployment. ACM Transactions on Storage. vol.12,no.3,pp:1-30,June 2016.

[23] Jiguang Wan, Xiaoyang Qu, Nannan Zhao, Jun Wang, Changsheng Xie. ThinRAID: Thinning down RAID array for energy conservation. IEEE Transactions on Parallel and Distributed Systems. vol. 26, no. 10, pp. 2903-2915, Oct 2015

[24] Jiguang Wan, Jibin Wang, Qing Yang, Changsheng Xie*. S²-RAID: Parallel RAID Architecture for Fast Data Recovery. IEEE Transactions on Parallel and Distributed Systems . vol. 25, no. 6, pp. 1638-1647, June 2014

[25] Mao Yu, Jiguang Wan*, Yifeng Zhu, and Changsheng Xie. A New Parity-Based Migration Method to Expand RAID-5. IEEE Transactions on Parallel and Distributed Systems . vol. 25, no. 8, pp. 1945-1954, Aug. 2014

[26] Jiguang Wan, Jibin Wang, Yan Liu, Qing Yang, Jianzong Wang, and Changsheng Xie*. Enhancing Shared RAID Performance Through Online Profiling. In Proceedings of the 28th IEEE Symposium on Mass Storage Systems and Technologies .

[27] Jiguang Wan, Chao Yin, Jun Wang and Changsheng Xie*. A New High-performance, Energy-efficient Replication Storage System with Reliability Guarantee. In Proceedings of the 28th IEEE Symposium on Mass Storage Systems and Technologies .

[28] Jiguang Wan, Nannan Zhao, Yifeng Zhu, Jibin Wang, Yu Mao, Peng Chen, and Changsheng Xie*. High Performance and High Capacity Hybrid Shingled-Recording Disk System. In Proceedings of 2012 IEEE International Conference on Cluster Computing . IEEE, pp.173-181, Beijing, 2012

Professional Affiliations

Member of Information Storage Technical Committee of China Computer Federation

Research Group

Enrollment Information

Personal Homepage

   Web: http://faculty.hust.edu.cn/wanjiguang/en/index.htm