On-demand Backups with DynamoDB Backup and Restore

Syntax

aws dynamodb create-backup --table-name <table_name> --backup-name <backup_name>

aws dynamodb restore-table-from-backup --target-table-name <table_name> --backup-arn <backup_arn>

Example

aws dynamodb create-backup --table-name my-table --backup-name my-table-backup

aws dynamodb restore-table-from-backup --target-table-name my-table --backup-arn arn:aws:dynamodb:us-west-2:123456789012:table/my-table/backup/0192837465

Output

The create-backup command returns metadata about the backup, such as the backup ID and the time it was created.

The restore-table-from-backup command does not return an output. The table is simply restored to its state at the time of the backup.

Explanation

DynamoDB backups allow you to create a point-in-time backup of your table. This comes in handy when you accidentally delete data, or when you need to roll back your table to a previous state.

With on-demand backups, you can create and restore backups whenever you need them, without being constrained by a fixed backup schedule.

The create-backup command creates a new backup of the table with the specified name. The restore-table-from-backup command restores the table to the state it was in at the time the backup was taken.

Use

• Use on-demand backups to protect your data against accidental deletion or corruption.
• Use on-demand backups to roll back your data to a previous state.

Important Points

• Backups are only available in the same region as the table.
• Backups are stored in Amazon S3.
• You are charged for the storage space used by the backup.

Summary

DynamoDB backups allow you to create a point-in-time backup of your table, which you can use to restore your table to a previous state. With on-demand backups, you can create and restore backups whenever you need them. The create-backup and restore-table-from-backup commands provide a simple and flexible way to manage your backups.