S3 vs NFS for Kubernetes: Where Each One Actually Wins
S3 and NFS solve different Kubernetes storage problems. Use NFS or a CSI file driver when pods need shared, POSIX-style read-write-many file access. Use S3-compatible object storage when apps call the S3 API for immutable blobs, backups, and data lakes. RustFS gives you that S3 layer self-hosted under Apache 2.0. Dimension NFS (file) S3 object storage (RustFS) Access protocol NFS v3 / v4 over TCP HTTP REST (S3 API) Concurrent pods ReadWriteMany, native One writer per object; concurrency via versioning / ETag Kubernetes mount csi-driver-nfs (nfs.csi.k8s.io, GA, K8s 1.21+) No native volume type;
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