Persistent Data Layout in File Systems

被引：0
|
作者：
LUO Shengmei [1 ]
LU Youyou [2 ]
YANG Hongzhang [1 ]
SHU Jiwu [2 ]
ZHANG Jiacheng [2 ]
机构：
[1] ZTE Corporation
[2] Tsinghua University
来源：
ZTE Communications | 2018年 / 16卷 / 03期
关键词：
data layout; file system; persistent storage; solid state drive(SSD);
D O I：
10.19729/j.cnki.1673-5188.2018.03.010
中图分类号：
TP333 [存贮器];
学科分类号：
081201 ;
摘要：
Data layout in a file system is the organization of data stored in external storages. The data layout has a huge impact on performance of storage systems. We survey three main kinds of data layout in traditional file systems: in-place update file system, log-structured file system, and copy-on-write file system. Each file system has its own strengths and weaknesses under different circumstances. We also include a recent usage of persistent layout in a file system that combines both flash memory and byte-addressable non-volatile memory.With this survey, we conclude that persistent data layout in file systems may evolve dramatically in the era of emerging non-volatile memory.
引用
收藏
页码：59 / 66
页数：8
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