NVCache: A Plug-and-Play NVMM-based I/O Booster for Legacy Systems

@article{Dulong2021NVCacheAP,
  title={NVCache: A Plug-and-Play NVMM-based I/O Booster for Legacy Systems},
  author={Remi Dulong and Rafael Pires and Andreia Correia and Valerio Schiavoni and P. Ramalhete and P. Felber and Ga{\"e}l Thomas},
  journal={2021 51st Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN)},
  year={2021},
  pages={186-198}
}
This paper introduces NVCACHE, an approach that uses a non-volatile main memory (NVMM) as a write cache to improve the write performance of legacy applications. We compare NVCACHE against file systems tailored for NVMM (Ext4-DAX and NOVA) and with I/O-heavy applications (SQLite, RocksDB). Our evaluation shows that NVCACHE reaches the performance level of the existing state-of-the-art systems for NVMM, but without their limitations: NVCACHE does not limit the size of the stored data to the size… Expand

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