Verneuil1 [vɛʁnœj] is a VFS (OS abstraction layer) for SQLite that accesses local database files like the default unix VFS while asynchronously replicating snapshots to S3-compatible blob stores. We wrote it to improve the scalability and availability of pre-existing services for which SQLite is a good fit, at least for single-node deployments. Backtrace relies on Verneuil to backup and replicate