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Walgit serves Git repositories from an object store with no leader or durable local state

github.com 9 min read Editor score 6/10

Walgit puts a single server binary in front of S3-compatible storage or GCS, treating each server as a disposable cache while the bucket holds repositories. The architecture is a useful alternative to stateful Git hosting, though the excerpt provides no scale or reliability results.

What: Walgit is a Git server that stores repositories in an object store, with no leader or durable local state.
How: Pushes become visible after an immutable object is stored and a manifest is rewritten with compare-and-swap; instances cache data locally.
Why it matters: For engineers, object storage as the source of truth lets disposable instances serve large repositories without coordinating a fixed replica set.

Pushes enter the bucket, are published through the manifest, and can then be read by replicas. Sketched from the article's own text.

Read on github.com → Hacker News · 10 comments

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