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ECR: Eviction-cost-aware cache management policy for page-level flash-based SSDs

Cache management policy plays a key role in offering low latency access to flash-based SSDs. Most existing solutions including LRU and …
Hao Chen, Yubiao Pan, Cheng Li, Yinlong Xu
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Popularity-Based Online Scaling for RAID Systems Under General Settings

The ever-increasing demand of storage capacity and system performance leads to the scaling requirement in redundant arrays of …
Chengjin Tian, Yongkun Li, Si Wu, Jinzhong Chen, Liu Yuan, Yinlong Xu
DOI

UniKV: Toward High-Performance and Scalable KV Storage in Mixed Workloads via Unified Indexing

Persistent key-value (KV) stores are mainly designed based on the Log-Structured Merge-tree (LSM-tree), which suffer from large read …
Qiang Zhang, Yongkun Li, Patrick P. C. Lee, Yinlong Xu, Qiu Cui, Liu Tang
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Explicit Data Correlations-Directed Metadata Prefetching Method in Distributed File Systems

Metadata performance in distributed file systems (DFS) is critical, due to the following trends: (a) the growing size of modern storage …
Youxu Chen, Cheng Li, Min Lv, Xinyang Shao, Yongkun Li, Yinlong Xu
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DCUDA: Dynamic GPU Scheduling with Live Migration Support

In clouds and data centers, GPU servers which consist of multiple GPUs are widely deployed. Current state-of-the-art GPU scheduling …
Fan Guo, Yongkun Li, John C. S. Lui, Yinlong Xu
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