Towards efficient, portable application-level consistency

T. S. Pillai, Vijay Chidambaram, J. Hwang, A. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau
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引用次数: 2

Abstract

Applications employ complex protocols to ensure consistency after system crashes. Such protocols are affected by the exact behavior of file systems. However, modern file systems vary widely in such behavior, reducing the correctness and performance of applications. In this paper, we study application-level crash consistency. Through the detailed study of two popular database libraries (SQLite, LevelDB), we show that application performance and correctness heavily depend on file-system properties previously ignored in research. We define a number of such properties and show that they vary widely among file systems. We conclude with implications for future file-system and dependability research.
朝着高效、可移植的应用级一致性发展
应用程序采用复杂的协议来确保系统崩溃后的一致性。这些协议受到文件系统的确切行为的影响。然而,现代文件系统在这种行为上差异很大,降低了应用程序的正确性和性能。本文主要研究应用层的崩溃一致性。通过对两个流行的数据库库(SQLite, LevelDB)的详细研究,我们发现应用程序的性能和正确性在很大程度上依赖于文件系统属性,而这些属性在以前的研究中被忽略了。我们定义了许多这样的属性,并说明它们在不同的文件系统中差异很大。最后,对未来的文件系统和可靠性研究提出了建议。
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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