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Even though page cache layer of operating system enhances the performance of mobile devices by reducing the number of write requests issued to the underlying mobile storage, the mobile devices still suffer from the excessive write requests. This is because mobile applications frequently trigger synchronous writes with fsync() system call to guarantee the reliability of each application. Unfortunately,...
In mobile environments, frequent fsync system calls negatively impact both performance and endurance of NAND-based storage. In this paper, we propose a novel page cache algorithm, called FS-LRU, that reduces the negative effect of fsync call by using hybrid DRAM and NVRAM memory architecture. Our experimental results show that FS-LRU outperforms the traditional LRU by up to 39.5%.
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