OceanBase Bacchus: A High-Performance and Scalable Cloud-Native Shared Storage Architecture for Multi-Cloud
Summary: OceanBase Bacchus integrates sharded, multi-leader PALF logging with distributed 2PC and an AZ-wide shared block cache, eliminating shared-log bottlenecks for elastic multi-cloud OLTP. Production results show competitive performance with 59–89% lower storage cost. (summarized by gpt-5.6-luna on Aug 28 2026)
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Authors
- 1. Quanqing Xu (Ant Financial)
- 2. Mingqiang Zhuang (Ant Financial)
- 3. Chuanhui Yang (Ant Financial)
- 4. Quanwei Wan (Ant Financial)
- 5. Fusheng Han (Ant Financial)
- 6. Fanyu Kong (Ant Financial)
- 7. Hao Liu (Ant Financial)
- 8. Hu Xu (Ant Financial)
- 9. Junyu Ye (Ant Financial)
BibTeX Citation
@article{xu_vldb26,
title = {{OceanBase Bacchus: A High-Performance and Scalable Cloud-Native Shared Storage Architecture for Multi-Cloud}},
author = {Xu, Quanqing and Zhuang, Mingqiang and Yang, Chuanhui and Wan, Quanwei and Han, Fusheng and Kong, Fanyu and Liu, Hao and Xu, Hu and Ye, Junyu},
journal = {PVLDB},
series = {{VLDB} '26},
volume = {19},
number = {12},
pages = {4089--4102},
doi = {10.14778/3827998.3828018},
url = {https://doi.org/10.14778/3827998.3828018},
year = {2026}
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