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Preview: Snapshot storage managers and snapshots are preview features.
Preview: NuoDB encourages you to use preview features in your development projects. However, the use of preview features in production is not supported.
A database snapshot is a consistent, durable, virtual copy of a database at a transaction commit point. Database snapshots give you the ability to restore a database back to a point in time that is just before or just after a particular transaction.
To use online snapshot backup, you must start a snapshot storage manager. A snapshot storage manager generates a snapshot for every transaction commit. When you want to restore to a particular snapshot then you invoke the NuoDB Manager
hotcopy command to copy the snapshot of interest from the SSM. You then invoke the NuoDB Check (
nuochk) utility on the snapshot of interest. This creates an archive that you can use to start a storage manager or snapshot storage manager.
This section of the documentation provides information about snapshot storage managers and how to start them. After an SSM generates snapshots, you can