Code Review

Created
Created
2020 Jul 22 1:5
Creator
Creator
Seonglae ChoSeonglae Cho
Editor
Edited
Edited
2026 Aug 17 11:31
Since stricter reviews are necessary, a lead's review is essential for code quality.
Code Review
However, for this to work, the lead must have the skills to provide good feedback even if they're not actively coding.
  • Check all file reviewers before merge
  • The person who asked resolves
    • Modification suggestion
    • Information question
    • Reason question
Code Review Methods
 
 
 
 

Google Critique & Gerrit (open-sourced)

How Google does code review
Google has two internal code review tools: Critique, which is used by the majority of engineers, and Gerrit, which is open-sourced and continues to be used by public-facing projects. Here's how they work.
How Google does code review
How Google takes the pain out of code reviews, with 97% dev satisfaction
A study of Google's code review tooling (Critique), AI-powered improvements, and recent statistics
How Google takes the pain out of code reviews, with 97% dev satisfaction

With Git

Post-Commit Reviews
I recently read an excellent article in the Amazon Builder's Library by Clare Liguori which goes into great detail about AWS's CI/CD architecture. It's a truly brilliant post and I recommend everyone interested in CI/CD infrastructures read the article. The article covers the gamut from unit testing to integration testing (in production) to staged rollouts in "waves" to automated rollbacks.
Post-Commit Reviews
How to Kill code review which takes long time
How to Kill the Code Review
Human-written code died in 2025. Code reviews will die in 2026.
How to Kill the Code Review

One of important communication and social channel among engineers

What are code reviews even for?
AI didn't break code review. It just made the parts we'd been ignoring impossible to ignore.
What are code reviews even for?

Architectural constraint from agentic auditing

Agentic Code Quality
Quality now depends on the constraints you set around your agents.
Agentic Code Quality
 
 
 

Recommendations