Breaking the Isolation-Freshness Trade-off: Joint Adaptive Storage Optimization for HTAP Systems
Summary: Jasper breaks the HTAP isolation-freshness trade-off via joint adaptive storage optimization: workload-aware horizontal/vertical partitioning plus selective column-store materialization for update-sparse, query-heavy partitions. Fine-grained, dynamic layouts in TiDB cut sync overhead and improve both isolation and freshness vs static dual/single-store designs. (summarized by gpt-5.4-mini on Apr 12 2026)
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Authors
- 1. Zhenghao Ding (Renmin University of China)
- 2. Xinyi Zhang (Renmin University of China)
- 3. Chao Zhang (Renmin University of China)
- 4. Yishen Sun (PingCAP)
- 5. Kai Xu (PingCAP)
- 6. Wei Lu (Renmin University of China)
- 7. Xiaoyong Du (Renmin University of China)
BibTeX Citation
@article{ding_vldb26,
title = {{Breaking the Isolation-Freshness Trade-off: Joint Adaptive Storage Optimization for HTAP Systems}},
author = {Ding, Zhenghao and Zhang, Xinyi and Zhang, Chao and Sun, Yishen and Xu, Kai and Lu, Wei and Du, Xiaoyong},
journal = {PVLDB},
series = {{VLDB} '26},
volume = {19},
number = {6},
pages = {1142--1155},
doi = {10.14778/3797919.3797924},
url = {https://doi.org/10.14778/3797919.3797924},
year = {2026}
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