A Unified Bandwidth Orchestration Framework for Hierarchical Data Storage Systems
Summary: PASCAL is a hydraulic-inspired, system-wide bandwidth orchestrator for concurrent HSS migrations, coordinating cache flush, tiering, GC, and DDA flows via tier pressure gradients. On OceanStor, it improves throughput 20%, tail latency 67%, and jitter 79%. (summarized by gpt-5.6-luna on Aug 28 2026)
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Authors
- 1. Ji Zhang (Huawei)
- 2. Li Liu (Wuhan Textile University)
- 3. André Brinkmann (Saarland University)
- 4. Giovanni Cherubini (Huawei)
- 5. Zhu Xiangyu (Huawei)
- 6. Shai Bergman (Huawei)
- 7. Ke Zhou (Huazhong University of Science and Technology)
BibTeX Citation
@article{zhang_vldb26,
title = {{A Unified Bandwidth Orchestration Framework for Hierarchical Data Storage Systems}},
author = {Zhang, Ji and Liu, Li and Brinkmann, André and Cherubini, Giovanni and Xiangyu, Zhu and Bergman, Shai and Zhou, Ke},
journal = {PVLDB},
series = {{VLDB} '26},
volume = {19},
number = {12},
pages = {4209--4222},
doi = {10.14778/3827998.3828027},
url = {https://doi.org/10.14778/3827998.3828027},
year = {2026}
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|---|---|---|---|---|
| 5,088 | ROBUS: Fair Cache Allocation for Data-parallel Workloads | 2017 | SIGMOD | 6.2805079e-05 |
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