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A light-weight log-based hybrid storage system

机译:轻量级基于日志的混合存储系统

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摘要

The Internet of Things (IoT) and cloud computing are two important technologies in our life. They are integrated together to support each other. However, with the rapid development of IoT, the disk-based storage systems in clouds fail to process and analyze data timely from IoT devices. In order to improve the storage capabilities of traditional disk-based storage systems, we present a light-weight log-based hybrid storage system, which comprises of the phase change memory (PCM), flash memory-based SSD and disks. These devices are merged as a single block device with a continuous linear-address space. We also design and implement a log-based hybrid file system called HFS for the block device. By combining the semantic characteristics of data with distinct performance characteristics of devices, HFS optimizes the file system layout and overcomes the shortcomings of traditional log-structured systems. We implement HFS m the Linux kernel and compare it with modem file systems such as Ext4 and F2FS. Evaluation results show the efficiency of the proposed light-weight log-based hybrid storage system. (C) 2017 Elsevier Inc. All rights reserved.
机译:物联网(IoT)和云计算是我们生活中的两项重要技术。它们集成在一起以相互支持。但是,随着物联网的快速发展,云中基于磁盘的存储系统无法及时处理和分析物联网设备中的数据。为了提高传统的基于磁盘的存储系统的存储能力,我们提出了一种基于日志的轻量级混合存储系统,该系统由相变存储器(PCM),基于闪存的SSD和磁盘组成。这些设备合并为具有连续线性地址空间的单个块设备。我们还为块设备设计和实现了称为HFS的基于日志的混合文件系统。通过将数据的语义特征与设备的独特性能特征相结合,HFS优化了文件系统布局,并克服了传统日志结构系统的缺点。我们在Linux内核中实现HFS,并将其与调制解调器文件系统(例如Ext4和F2FS)进行比较。评估结果显示了所提出的基于轻量级日志的混合存储系统的效率。 (C)2017 Elsevier Inc.保留所有权利。

著录项

  • 来源
    《Journal of Parallel and Distributed Computing》 |2018年第2期|307-315|共9页
  • 作者单位

    Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Sch Comp Sci & Technol, Wuhan, Hubei, Peoples R China|Sci & Technol Commun Networks Lab, Shijiazhuang, Hebei, Peoples R China;

    Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Sch Comp Sci & Technol, Wuhan, Hubei, Peoples R China;

    Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Sch Comp Sci & Technol, Wuhan, Hubei, Peoples R China;

    Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Sch Comp Sci & Technol, Wuhan, Hubei, Peoples R China|St Francis Xavier Univ Antigonish, Dept Comp Sci, Antigonish, NS B2G 2W5, Canada;

    Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Sch Comp Sci & Technol, Wuhan, Hubei, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Internet of Things; Cloud computing; Hybrid storage system; File system;

    机译:物联网;云计算;混合存储系统;文件系统;

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