Research interests

• Database, big data management

Working

• [2021.04 ~ now] Research engineer at TDSQL, Tencent Inc., China,

Backgrounds

• [2017.03 ~ 2021.12] Ph.D. in multi-model and big data management (supervised by [Jiaheng Lu]), University of Helsinki, Finland
• [2014.09 ~ 2016.12] MSc. in Computer Science and Engineering, Politecnico di Milano, Italy
• [2010.09 ~ 2014.06] BSc. in Information and Computing Science, Guangdong University of Technology, China

Publications [Scholar] [DBLP]

• “TDSQL-Boundless: A Distributed Database System for Large-scale Heterogeneous Multi-Table Workloads.” Yuxing Chen, Jie Jiang, Xiaolong He, Ziyi Lu, Shuo Han, Anqun Pan, Chong Zhu, Chang Liu, Xuan Zhao, Yu Li, Yan Tang, Dongzhi Zhao, Wen Zhang, Hailin Lei, Lixiong Zheng, Feng Zhang, Mingde Zhang, Yiteng Chu, Wei Lu, Yunpeng Chai, Xiaoyong Du.
  [link] SIGMOD 2026
• “TXSQL: Lock Optimizations Towards High Contented Workloads”
  Donghui Wang, Yuxing Chen, Chengyao Jiang, Anqun Pan, Wei Jiang, Songli Wang, Hailin Lei, Chong Zhu, Lixiong Zheng, Wei Lu, Yunpeng Chai, Feng Zhang, and Xiaoyong Du.
  [link] SIGMOD 2025
  
• “TDSQL: Tencent Distributed Database System”
  Yuxing Chen, Anqun Pan, Hailin Lei, Anda Ye, Shuo Han, Yan Tang, Wei Lu, Yunpeng Chai, Feng Zhang, and Xiaoyong Du.
  [link] VLDB 2024
• “Cross-Model Conjunctive Queries over Relation and Tree-Structured Data”
  Yuxing Chen, Valter Uotila, Jiaheng Lu, Zhen Hua Liu, and Souripriya Das.
  [link] DASFAA 2022
• “A Survey on Automatic Parameter Tuning for Big Data Processing Systems”
  Herodotos Herodotou, Yuxing Chen, Jiaheng Lu.
  [link] CSUR 2020
• “d-Simplexed: Adaptive Delaunay Triangulation for Performance Modeling and Prediction on Big Data Analytics”
  Yuxing Chen, Peter Goetsch, Mohammad Hoque, Jiaheng Lu, Sasu Tarkoma.
  [link] IEEE Transaction on Big Data 2019
• “Cost-effective Resource Provisioning for Spark Workloads”
  Yuxing Chen, Jiaheng Lu, Chen Chen, Mohammad Hoque, and Sasu Tarkoma.
  [link] CIKM 2019

R&Ds

• Transaction processing and storage optimization in distributed databases
  [2021 ~ now] Tencent: Industry-Academia-Research.
• Research the query process in different data models
  [2020 ~ 2021] Oracle: Multi-model database and Category theory.
• Query optimization with various data varieties: tabular, JSON, XML, graph, etc. (worst-case optimal join)
  [2017 ~ 2021] Academy of Finland: Holistic Query Optimization and Transaction Processing in Multi-model Data Management.
• Big data platform (e.g., Hive, Hadoop, Spark in Yarn/K8s) performance optimization (cost-effective container/executor allocation)
  [2017 ~ 2019] Huawei HIRP: Optimization of Big Data Platform.

Talks

• 2025.05 Hong Kong, China SAR, ICDE Sponsor talk “Research on Transaction Processing at Tencent” [slides]
• 2025.03 Beijing, China, Renmin University of China DEKE invited talk “Lock Optimizations Towards High Contented Workloads” [slides](CN)
• 2024.09 Guangzhou, China, VLDB Research talk “TDSQL: Tencent Distributed Database System” [slides]
• 2024.09 Guangzhou, China, VLDB Sponsor talk “Research and Applications of Tencent Database Systems” [slides]
• 2024.06 Shenzhen, China, Shenzhen University DSEG invited talk “Applications and Research in Tencent” [slides](CN)
• 2024.05 Utrecht, Utrecht, ICDE Research talk “IndeXY: A Framework for Constructing Indexes Larger than Memory” [slides]
• 2024.05 Utrecht, Utrecht, ICDE Sponsor talk “Research and Applications of Tencent Database Systems” [slides]
• 2022.09 (Virtual) Sydney, Australia, VLDB Sponsor talk “Consistency Checking for Transactional Databases” [slides]
• 2022.09 Shenzhen, China, Tencent DB talk “Consistency Checking for Transactional Databases” [slides](CN)
• 2022.09 Shenzhen, China, Tencent Open Source project “Tencent Transaction Processing Testbed System (3TS)” [slides](CN)
• 2022.05 (Virtual) Kuala Lumpur, Malaysia, ICDE Tutorial talk “Automatic Performance Tuning for Distributed Data Stream Processing Systems” [slides]
• 2022.04 (Virtual) Hyderabad, India, DASFAA research talk “Cross-Model Conjunctive Queries over Relation and Tree-Structured Data” [slides]
• 2019.08 Los Angeles, USA, VLDB Tutorial talk “Speedup Your Analytics: Automatic Parameter Tuning for Databases and Big Data Systems” [slides]

Contact

• axinggu (at) gmail (dot) com

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Last update in March 2026