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Inside GitHub's Rubicon: Git storage built for agent-scale pushes

Source
x.com
Date
GitHub@github

Through internal testing, GitHub’s new Git storage architecture supported 5,000 concurrent agents working on a repo, sending 7,200 pushes per second, all while serving read traffic with consistently low latency. https://t.co/Lfi55duJ77

Why it matters

GitHub explains how it moves ref updates into a replicated log (Ref-CAS) while packs sit in blob storage, so a single repo can take thousands of pushes per second. Shows the load agentic workflows put on Git and what is coming, with private preview now.

Terms in this piece · Glossary
  • context compaction — Summarizing an agent's earlier conversation to free room in the context window so a long session can keep going.
  • AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
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