SeaweedFS Blog

Engineering notes on distributed storage — new features, use cases, and optimization strategies from production clusters.

7 min read

Undo for Your Storage: Data Recovery and Point-in-Time Recovery

Replication and erasure coding protect you from dying disks — not from a bad rm, a corrupting ETL job, or an AI agent rewriting the wrong prefix. SeaweedFS Enterprise gives every second in a retention window a working undo: find and restore deletes, or rewind a whole subtree to any instant, with a previewed plan before anything changes.

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11 min read

Sealed Directories: 18–58× Less Metadata for Cold Data

Most metadata in a large cluster describes files nobody has touched in months — yet it costs the same as metadata for hot files. Sealed directories pack a cold directory’s entries into compressed, volume-stored chunks, while every file stays readable in place.

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