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...

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Bibliographic Details
Published in:2018 ACM/IEEE 40th International Conference on Software Engineering: Software Engineering in Practice 181 2 pp. 181 - 190
Main Authors: Sadowski, Caitlin, Söderberg, Emma, Church, Luke, Sipko, Michal, Bacchelli, Alberto
Format: Conference Proceeding Book Chapter
Language:English
Published: New York, NY, USA ACM 27.05.2018
Series:ACM Conferences
Subjects:
Birds
code review
Companies
Computer and Information Sciences
Data- och informationsvetenskap (Datateknik)
developer tools
developer workflow
Google
human factors
Inspection
Interviews
Natural Sciences
Naturvetenskap
Programvaruteknik
reviewer recommendation systems
Software
Software and its engineering > Software notations and tools > Software maintenance tools
Software Engineering
ISBN:9781450356596, 1450356591
Online Access:Get full text
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Summary: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.
ISBN:9781450356596
1450356591
DOI:10.1145/3183519.3183525