OpenAI builds Pando for scaling Git monorepo
Original title: Scaling Git at OpenAI
OpenAI's Pando backend cuts median push latency by 5x while serving petabytes of Git data daily for Codex-driven development.
OpenAI built Pando, a new Git backend, to handle the surge in concurrent branches and merges from Codex and agentic AI work. The system coordinates independent branch updates for parallel writes and reuses packfiles to maximize read throughput from caches. Pando maintains full Git protocol compatibility so engineers and agents continue using existing workflows. In production it reduced median push latency by nearly 5x and now serves nearly a petabyte of Git data per day.
- Pando cuts median push latency by nearly 5x.
- Serves nearly a petabyte of Git data per day.
- Retains full Git client compatibility.
- Enables parallel branch updates.
From the original article
14 min read at openai.comHow OpenAI built Pando, a Git-compatible backend designed for the scale of development that Codex makes possible.
openai.com
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