LiteFS

LiteFS is a FUSE-based file system that replicates SQLite databases across a cluster of machines. It is installed by copying the litefs binary from the flyio/litefs Docker image into an application’s container, by downloading a prebuilt binary from the GitHub releases, or by setting up a cluster on Fly.io. It can run on its own or act as a supervisor process for the application. Fly.io, Inc. maintains it and publishes the documentation.

Worth knowing

The Fly.io docs say LiteFS is outside the company’s scope of support and should be used with caution, and the README describes the project as actively maintained in a beta state. The FAQ gives write throughput of about 100 transactions per second, a limit of the FUSE interface. A cluster takes its lease from Consul or from a static setting. The FAQ also compares it with Litestream.