A New Design of In-Memory File System Based on File Virtual Address Framework
OCT 04, 2016 20:33 PM
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A New Design of In-Memory File System Based on File Virtual Address Framework

A New Design of In-Memory File System Based on File Virtual Address Framework

Edwin H.-M. Sha, College of Computer Science, Chongqing University, Chongqing, China
Xianzhang Chen, College of Computer Science, Chongqing University, Chongqing, China
Qingfeng Zhuge, College of Computer Science, Chongqing University, Chongqing, China
Liang Shi, College of Computer Science, Chongqing University, Chongqing, China
Weiwen Jiang, College of Computer Science, Chongqing University, Chongqing, China

This paper presents a framework based on a new concept, “File Virtual Address Space”. A file system, Sustainable In-Memory File System (SIMFS), is designed and implemented, which fully utilizes the memory mapping hardware at the file access path. First, SIMFS embeds the address space of an open file into the process’ address space. Then, file accesses are handled by the memory mapping hardware. Several optimization approaches are also presented for the proposed SIMFS. Extensive experiments are conducted. The experimental results show that the throughput of SIMFS achieves significant performance improvement over the state-of-the-art in-memory file systems.

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