Performant Synchronization in Geo-Distributed Databases
Summary: GeoCoCo targets the main WAN bottleneck in geo-distributed DBs: synchronization, not consensus logic per se. It exploits real-network effects—clustering, triangle-inequality violations, redundant transfers—to reschedule/group and prune data while preserving consistency, cutting WAN traffic up to 40.3%. (summarized by gpt-5-mini on Apr 11 2026)
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Authors
- 1. Duling Xu (Renmin University of China)
- 2. Tong Li (Renmin University of China)
- 3. Zegang Sun (Renmin University of China)
- 4. Zheng Chen (Tsinghua University)
- 5. Weixing Zhou (Northeastern University)
- 6. Yanfeng Zhang (Northeastern University)
- 7. Wei Lu (Renmin University of China)
- 8. Xiaoyong Du (Renmin University of China)
BibTeX Citation
@inproceedings{xu_sigmod26,
title = {{Performant Synchronization in Geo-Distributed Databases}},
author = {Xu, Duling and Li, Tong and Sun, Zegang and Chen, Zheng and Zhou, Weixing and Zhang, Yanfeng and Lu, Wei and Du, Xiaoyong},
series = {{SIGMOD} '26},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3786677},
url = {https://dl.acm.org/doi/10.1145/3786677},
year = {2026}
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