Lei Zhang

According to our database, Lei Zhang authored at least 15 papers between 2022 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

Scalable and Efficient Reinforcement Learning for Virtual Machine Rescheduling in Cloud Data Centers.

Xianzhong Ding, Yunkai Zhang, Binbin Chen, Donghao Ying, Tieying Zhang, Jianjun Chen, Lei Zhang, Alberto Cerpa, Wan Du

IEEE Trans. Parallel Distributed Syst., May, 2026

ByteGraph-Dione: An Adaptive Dual-Format Graph Engine with Hotspot Awareness and Transaction Efficiency for Production-Scale Workloads.

Chao Chen, Cheng Chen, Huiming Zhu, Shijiao Yang, Yingqian Hu, Wei Wang, Wei Zhang, Bingyu Zhou, Miaomiao Cheng, Lei Xiao, Ping Yang, Ye Wang, Shuai Zhang, Lei Zhang

Proceedings of the Companion of the International Conference on Management of Data, 2026

2025

ZeroCard: Cardinality Estimation with Zero Dependence on Target Databases - No Data, No Query, No Retraining.

Xianghong Xu, Rong Kang, Xiao He, Lei Zhang, Jianjun Chen, Tieying Zhang

CoRR, October, 2025

VIDEX: A Disaggregated and Extensible Virtual Index for the Cloud and AI Era.

Rong Kang, Shuai Wang, Tieying Zhang, Xianghong Xu, Linhui Xu, Zhimin Liang, Lei Zhang, Rui Shi, Jianjun Chen

Proc. VLDB Endow., August, 2025

veDB-HTAP: a Highly Integrated, Efficient and Adaptive HTAP System.

Jianjun Chen, Li Zhang, Yu Xie, Wei Ding, Lixun Cao, Ye Liu, Yonghua Ding, Fangshi Li, Ke Wu, Haibo Xiu, Kui Wei, Le Cai, Rui Chang, Yuxiang Chen, Yuanjin Lin, Shangyu Luo, Jianfeng Qian, Xu Wang, Zikang Wang, Jian Zhang, Mingyi Zhang, Shicai Zeng, Jason Sun, Lei Zhang, Rui Shi, Pengwei Zhao

Proc. VLDB Endow., August, 2025

PLM4NDV: Minimizing Data Access for Number of Distinct Values Estimation with Pre-trained Language Models.

Xianghong Xu, Xiao He, Tieying Zhang, Lei Zhang, Rui Shi, Jianjun Chen

Proc. ACM Manag. Data, June, 2025

AdaNDV: Adaptive Number of Distinct Value Estimation via Learning to Select and Fuse Estimators.

Xianghong Xu, Tieying Zhang, Xiao He, Haoyang Li, Rong Kang, Shuai Wang, Linhui Xu, Zhimin Liang, Shangyu Luo, Lei Zhang, Jianjun Chen

CoRR, February, 2025

ABase: the Multi-Tenant NoSQL Serverless Database for Diverse and Dynamic Workloads in Large-scale Cloud Environments.

Rong Kang, Yanbin Chen, Ye Liu, Fuxin Jiang, Qingshuo Li, Miao Ma, Jian Liu, Guangliang Zhao, Tieying Zhang, Jianjun Chen, Lei Zhang

Proceedings of the Companion of the 2025 International Conference on Management of Data, 2025

Towards VM Rescheduling Optimization Through Deep Reinforcement Learning.

Xianzhong Ding, Yunkai Zhang, Binbin Chen, Donghao Ying, Tieying Zhang, Jianjun Chen, Lei Zhang, Alberto Cerpa, Wan Du

Proceedings of the Twentieth European Conference on Computer Systems, 2025

2024

AdaNDV: Adaptive Number of Distinct Value Estimation via Learning to Select and Fuse Estimators.

Xianghong Xu, Tieying Zhang, Xiao He, Haoyang Li, Rong Kang, Wang Shuai, Linhui Xu, Zhimin Liang, Shangyu Luo, Lei Zhang, Jianjun Chen

Proc. VLDB Endow., December, 2024

LavaStore: ByteDance's Purpose-built, High-performance, Cost-effective Local Storage Engine for Cloud Services.

Hao Wang, Jiaxin Ou, Ming Zhao, Sheng Qiu, Yizheng Jiao, Yi Wang, Qizhong Mao, Zhengyu Yang, Yang Liu, Jianyang Hu, Jingwei Zhang, Jinrui Liu, Jiaqiang Chen, Yong Sheng, Cao Lixun, Heng Zhang, Hongde Li, Ming Li, Yue Ma, Lei Zhang, Jian Liu, Guanghui Zhang, Fei Liu, Jianjun Chen

Proc. VLDB Endow., August, 2024

BG3: A Cost Effective and I/O Efficient Graph Database in Bytedance.

Wei Zhang, Cheng Chen, Qiange Wang, Wei Wang, Shijiao Yang, Bingyu Zhou, Huiming Zhu, Chao Chen, Yongjun Zhao, Yingqian Hu, Miaomiao Cheng, Meng Li, Hongfei Tan, Mengjin Liu, Hexiang Lin, Shuai Zhang, Lei Zhang

Proceedings of the Companion of the 2024 International Conference on Management of Data, 2024

2023

ByteGAP: A Non-continuous Distributed Graph Computing System using Persistent Memory.

Miaomiao Cheng, Jiujian Chen, Cheng Zhao, Cheng Chen, Yongmin Hu, Xiaoliang Cong, Liang Qin, Hexiang Lin, Ronghua Li, Guoren Wang, Shuai Zhang, Lei Zhang

Proceedings of the Joint Proceedings of Workshops at the 49th International Conference on Very Large Data Bases (VLDB 2023), Vancouver, Canada, August 28, 2023

Accelerating Cloud-Native Databases with Distributed PMem Stores.

Jason Sun, Haoxiang Ma, Li Zhang, Huicong Liu, Haiyang Shi, Shangyu Luo, Kai Wu, Kevin Bruhwiler, Cheng Zhu, Yuanyuan Nie, Jianjun Chen, Lei Zhang, Yuming Liang

Proceedings of the 39th IEEE International Conference on Data Engineering, 2023

2022

ByteHTAP: ByteDance's HTAP System with High Data Freshness and Strong Data Consistency.

Jianjun Chen, Yonghua Ding, Ye Liu, Fangshi Li, Li Zhang, Mingyi Zhang, Kui Wei, Lixun Cao, Dan Zou, Yang Liu, Lei Zhang, Rui Shi, Wei Ding, Kai Wu, Shangyu Luo, Jason Sun, Yuming Liang

Proc. VLDB Endow., 2022