A Dockers Storage Performance Evaluation: Impact of Backing File Systems

A. Ramadan
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引用次数: 2

Abstract

This paper reports on an in-depth examination of the impact of the backing filesystems to Docker performance in the context of Linux container-based virtualization. The experimental design was a 3x3x4 arrangement, i.e., we considered three different numbers of Docker containers, three filesystems (Ext4, XFS and Btrfs), and four application workloads related to Web server I/O activity, e-mail server I/O activity, file server I/O activity and random file access I/O activity, respectively. The experimental results indicate that Ext4 is the most optimal filesystem, among the considered filesystems, for the considered experimental settings. In addition, the XFS filesystem is not suitable for workloads that are dominated by synchronous random write components (e.g., characteristical for mail workload), while the Btrfs filesystem is not suitable for workloads dominated by random write and sequential write components (e.g., file server workload).
Dockers存储性能评估:备份文件系统的影响
本文深入研究了在基于Linux容器的虚拟化环境中,后备文件系统对Docker性能的影响。实验设计是3x3x4的安排,也就是说,我们考虑了三种不同数量的Docker容器、三种文件系统(Ext4、XFS和Btrfs),以及四种应用程序工作负载,分别与Web服务器I/O活动、电子邮件服务器I/O活动、文件服务器I/O活动和随机文件访问I/O活动相关。实验结果表明,对于所考虑的实验设置,Ext4是所考虑的文件系统中最优的文件系统。此外,XFS文件系统不适合以同步随机写组件为主的工作负载(例如,邮件工作负载的特征),而Btrfs文件系统不适合以随机写和顺序写组件为主的工作负载(例如,文件服务器工作负载)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
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