LeoFS is an Unstructured Object Storage for the Web and a highly available, distributed, eventually consistent storage system.


Multi Protocol - Rest, S3-API and NFS

Small & Large Object Support

Built-in the Cache Mechanism

Multi Data Center Replication

Autonomic operation w/Watchdog

LeoFS v1.2

Auto-compaction and Watchdog


LeoFS v1.1

NFS Support - Aim to centralize huge amount data in LeoFS

LeoFS v1.0

Multi Data Center Replication

This presentation was given at Rakuten Technology Conference in Tokyo on Oct 2014

What's New

LeoFS v1.3

Released LeoFS v1.3.4 on May 3, 2017

Status: Stable

New features:

Improve AWS S3-API Compatibility
  • AWS Signature v4 support
  • Custom metadata support
Improve NFS v3 support
  • Improving the performance and th stability

Data Lake

LeoFS moved a step closer to Data Lake with v1.3. We're aiming to achieve a highly beneficial effect to Big Data analytics as a data repository.



You should be able to find your operating system in the choices below.


Built for and maintained by the community via GitHub. LeoFS's license is Apache V2.

We provide all LeoFS-related codes on GitHub, there are "no magic black boxes".


The documentation introduces LeoFS and continues to operational considerations and procedures, and administration

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