现代代码审查:谷歌案例研究

Caitlin Sadowski, Emma Söderberg, Luke Church, Michael A. Sipko, Alberto Bacchelli
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引用次数: 204

摘要

对代码变更进行轻量级的、基于工具的代码审查(又名现代代码审查)已经成为各种开源和工业系统的规范。在本文中,我们对Google的现代代码审查进行了探索性调查。谷歌很早就引入了代码审查,并经过多年的发展;我们的研究揭示了谷歌为什么引入这种做法,并分析了它的现状,在这个过程经过几十年的代码修改和数百万次的代码审查之后。通过12次访谈,对44位受访者的调查,以及对900万次审查变更的审查日志的分析,我们调查了Google代码审查背后的动机,当前的实践,以及开发人员的满意度和挑战。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modern Code Review: A Case Study at Google
Employing lightweight, tool-based code review of code changes (aka modern code review) has become the norm for a wide variety of open-source and industrial systems. In this paper, we make an exploratory investigation of modern code review at Google. Google introduced code review early on and evolved it over the years; our study sheds light on why Google introduced this practice and analyzes its current status, after the process has been refined through decades of code changes and millions of code reviews. By means of 12 interviews, a survey with 44 respondents, and the analysis of review logs for 9 million reviewed changes, we investigate motivations behind code review at Google, current practices, and developers' satisfaction and challenges.
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