GitHub's Distributed Architecture

GENERALArchitecture
GitHub's Distributed Architecture — GENERAL architecture diagram

About This Architecture

How GitHub handles millions of repositories and billions of Git operations. Shows load-balanced Rails application servers, distributed Git storage on Spokes, MySQL cluster for metadata, Redis for caching and queues, Elasticsearch for code search, Actions CI/CD runner, Packages registry, and webhook delivery.

Architecture prompt

How GitHub handles millions of repositories and billions of Git operations. Shows load-balanced Rails application servers, distributed Git storage on Spokes, MySQL cluster for metadata, Redis for caching and queues, Elasticsearch for code search, Actions CI/CD runner, Packages registry, and webhook delivery.

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About This Architecture

How GitHub handles millions of repositories and billions of Git operations. Shows load-balanced Rails application servers, distributed Git storage on Spokes, MySQL cluster for metadata, Redis for caching and queues, Elasticsearch for code search, Actions CI/CD runner, Packages registry, and webhook delivery.

GitHub's Distributed Architecture

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Created by

February 9, 2026

Updated

May 12, 2026 at 2:41 AM

Type

architecture

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