FBS: Fast Blob Storage
S3-compatible storage for one Linux server
What it does
FBS is a self-hosted, lightweight S3-compatible object storage engine built in Go. Designed for homelabs and single-node deployments.
Does the same job
all alternatives →- CSCallFS – S3-style object store in one Go binary (MIT)2025 · github.com · ▲66
We started CallFS after yet another late-night “why did the uploads vanish?” incident. Our small team had stitched together rsync, a fragile NFS mount, and an S3 bucket—none of it observable, all of it waiting to bite us. So we wrote a single-process file service in Go that: • Speaks the S3 API (so existing tooling works). • Stores hot data on local disks for speed; cold data can sit in any S3-compatible bucket. • Exposes Prometheus metrics and JSON logs by default, because “what happened?” shouldn’t be guesswork. • Ships as a ~25 MB static binary—no external deps, MIT license. Today it’s…

- SASlateDB – An embedded storage engine built on object storage2024 · github.com · ▲26
SlateDB is an embedded storage engine built as a log-structured merge-tree. Unlike traditional LSM-tree storage engines, SlateDB writes data to object storage (S3, GCS, ABS, MinIO, Tigris, and so on). Leveraging object storage allows SlateDB to provide bottomless storage capacity, high durability, and easy replication. The trade-off is that object storage has a higher latency and higher API cost than local disk. To mitigate high write API costs (PUTs), SlateDB batches writes. Rather than writing every put() call to object storage, MemTables are flushed periodically to object storage as a…

- ZAZeroFS – A log-structured filesystem for S3Jul 2026 · zerofs.net · ▲128
- ZTZeroFS, the Filesystem That Makes S3 Your Primary StorageSep 2025 · github.com · ▲64
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