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

Rémi Dulong, Rafael Pires, Andreia Correia, Valerio Schiavoni, Pedro Ramalhete, Pascal Felber, Gaël Thomas
2021 arXiv   pre-print
We compare NVCache against file systems tailored for NVMM (Ext4-DAX and NOVA) and with I/O-heavy applications (SQLite, RocksDB).  ...  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.  ...  In a nutshell, NVCACHE is a plugand-play I/O booster implemented only in user space that essentially consists in an NVMM write cache.  ... 
arXiv:2105.10397v1 fatcat:ddiqumwtgjgytmdbn2ysalceqi