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


S3-API Support

Small & Large Object Support

Built-in the Cache Mechanism

Multi Data Center Replication


LeoFS v1.0

Multi Data Center Replication


This presentation was given at Erlang User Conference 2014 in Stockholm on June 2014

What's New

New Features:

Multi data center replication (1st phase)

  • Realized async-replication between clusters
    • After sent stacked objects to a remote-cluster, receive the list of metadatas from a remote-cluster, then compare them with local-cluster. Eventually, an inconsistent object is recovered.
    • Provided easy operation of multi data center replication with leo-manager's console
    • After joined a new cluster, automatically synchronize objects between local-cluster and a remote-cluster
  • Provided recover cluster which is able to fix inconsistency objects with remote-cluster




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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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