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Lunule: an agile and judicious metadata load balancer for CephFS

Published in SC2021, 2021

Lunule is a novel CephFS metadata load balancer, which employs an imbalance factor model for accurately determining when to trigger re-balance and tolerate benign imbalanced situations.

Yiduo Wang, Cheng Li, Xinyang Shao, Youxu Chen, Feng Yan, and Yinlong Xu.
"Lunule: an agile and judicious metadata load balancer for CephFS."
SC 2021. (CCF-A, Conference Paper) https://dl.acm.org/doi/abs/10.1145/3458817.3476196

CFS: Scaling Metadata Service for Distributed File System via Pruned Scope of Critical Sections.

Published in EuroSys2023, 2023

CFS is a scalable, fully POSIX-compliant distributed file system that eliminates the metadata management bottleneck via pruning the scope of critical sections for reduced locking overhead.

Yiduo Wang, Cheng Li, Xinyang Shao, Youxu Chen, Feng Yan, and Yinlong Xu.
"CFS: Scaling Metadata Service for Distributed File System via Pruned Scope of Critical Sections."
EuroSys 2023. (CCF-A, Conference Paper) https://dl.acm.org/doi/abs/10.1145/3552326.3587443

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