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

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 evalua...

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Main Authors: Dulong, Remi, Pires, Rafael, Correia, Andreia, Schiavoni, Valerio, Ramalhete, Pedro, Felber, Pascal, Thomas, Gael
Format: Conference Proceeding
Language:English
Subjects:
Aging
durable linearizability
File systems
Intel Optane
Libraries
Nonvolatile memory
NVMM
persistent memory
Reproducibility of results
write cache
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creator Dulong, Remi
Pires, Rafael
Correia, Andreia
Schiavoni, Valerio
Ramalhete, Pedro
Felber, Pascal
Thomas, Gael
description 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 of the NVMM, and works transparently with unmodified legacy applications, providing additional persistence guarantees even when their source code is not available.
doi_str_mv 10.1109/DSN48987.2021.00033
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subjects Aging
durable linearizability
File systems
Intel Optane
Libraries
Nonvolatile memory
NVMM
persistent memory
Reproducibility of results
write cache
title NVCache: A Plug-and-Play NVMM-based I/O Booster for Legacy Systems
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