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Git as a Service for Large-Scale Monorepos

Git as a Service for Large-Scale Monorepos

1
posts
2026

Uber has developed GitFarm, a 'Git as a Service' platform to address the significant performance bottlenecks and infrastructure overhead associated with traditional Git workflows in large-scale monorepos. GitFarm acts as a centralized Git client, executing Git commands via a high-performance gRPC API within secure, ephemeral sandboxes backed by pre-warmed repository and container pools. This approach eliminates local clones, provides rapid access to repository checkouts (under 500ms), and drastically reduces client-side resource utilization by over 80% while preserving the flexibility of native Git semantics. The system supports multi-command workflows and employs specialized back-end clusters for workload isolation, improving overall efficiency and scalability for Git operations.

2026

GitFarm: Git® as a Service for Large-Scale Monorepos

7/9/2026

This post details the architecture of GitFarm, Uber's 'Git as a Service' platform. It explains the Gateway's role in authentication, authorization, and load balancing, and the Backend's function in maintaining warm repository states and executing commands within isolated sandboxes. Key innovations include a pooling model for repository checkouts and sandbox containers to reduce latency, and a gRPC streaming API for multi-command workflows. The post also discusses specialized clustering for workload isolation and predictable performance.