One DBMS, Two Modes, and a Bunch of Bugs: Catching Logic Bugs in Distributed DBMSs via Differential Testing
Summary: DistSQL differential-tests a DBMS in centralized vs distributed modes, using the former as a correctness oracle to expose distributed-only logic bugs. Key novelty: distribution-aware state mutation plus plan-feature-guided exploration, finding 65 unknown bugs across major systems. (summarized by gpt-5-mini on Apr 11 2026)
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Authors
- 1. Zi-Xuan Fu (Beihang University)
- 2. Jia-Ju Bai (Beihang University)
- 3. Hong-Bo Feng (Beihang University)
- 4. Kang Chen (Tsinghua University)
BibTeX Citation
@inproceedings{fu_sigmod26,
title = {{One DBMS, Two Modes, and a Bunch of Bugs: Catching Logic Bugs in Distributed DBMSs via Differential Testing}},
author = {Fu, Zi-Xuan and Bai, Jia-Ju and Feng, Hong-Bo and Chen, Kang},
series = {{SIGMOD} '26},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3786673},
url = {https://dl.acm.org/doi/10.1145/3786673},
year = {2026}
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Showing 6 of 6 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 392 | Massive Stochastic Testing of SQL | 1998 | VLDB | 0.00019342814 |
| 2,044 | Detecting Logic Bugs of Join Optimizations in DBMS | 2023 | SIGMOD | 9.2663577e-05 |
| 3,903 | Keep It Simple: Testing Databases via Differential Query Plans | 2024 | SIGMOD | 7.0304586e-05 |
| 5,429 | Detecting Metadata-Related Logic Bugs in Database Systems via Raw Database Construction | 2024 | VLDB | 6.222006e-05 |
| 7,427 | Constant Optimization Driven Database System Testing | 2025 | SIGMOD | 5.620674e-05 |
| 7,756 | Semantic Conformance Testing of Relational DBMS | 2025 | VLDB | 5.551523e-05 |
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