ScaleCache: Scalable and Production-grade Buffer Management for Disk-based Database Systems
Summary: ScaleCache is a production-ready buffer manager that removes centralized bottlenecks via compact per-group reference counting for scalable pin/unpin and a copy-on-write read-write lock designed for B-link trees. Adds an optimistic, CPU-cache-friendly SIMD-accelerated hash table for page→buffer translation; integrated in Huawei GaussDB and shows near-linear scalability and large index-throughput gains on 128-core servers. (summarized by gpt-5-mini on Feb 09 2026)
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Authors
- 1. Mingyu Liu
- 2. Junbin Kang
- 3. Kai Wang
- 4. Lu Zhang
- 5. Haibo Chen
- 6. Xiuchang Li
- 7. Tianhong Ding
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