JuiceFS
Cloud-native distributed file system built on object storage backends
Overview
JuiceFS is a POSIX-compatible distributed file system that uses object storage (S3, MinIO, etc.) as its data layer and a metadata engine (Redis, TiKV, MySQL, etc.) for the namespace. Applications can mount JuiceFS via FUSE and interact with it like a local filesystem while benefiting from infinite object storage scalability. It is widely used as persistent storage for Kubernetes workloads.
Where it falls short of Dropbox
- Requires a separate metadata service (Redis or database), adding operational complexity
- POSIX semantics may have edge cases for high-concurrency workloads
- No built-in web file manager UI
We list the gaps honestly so you can decide if the trade-off is worth owning your data.
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