Explains what the feature is or what its benefits are to the user or customer.
A snapshot takes a point-in-time image of your running cluster. You should create a snapshot before making any changes to the environment, loading a large amount of new data, or changing the structure of a table.
Taking a snapshot is fast, and happens invisibly in the background while the cluster is running. Snapshots take about 20 seconds. Snapshot names must be 44 characters or fewer. To create a snapshot: