PolarDB - Supports Upgraded Backup
Target customers: Apsara PolarDB users and users who want to retain backups for a long period of time. Features released: Apsara PolarDB supports the following additional features: 1. You can set the backup cycle. 2. Backups can be retained permanently. 3. Released instances are locked and can be restored to avoid data loss caused by user errors. 4. Storage locations of backups are classified at different levels. Level-2 backup is priced in the same way as Object Storage Service (OSS) to minimize your costs of backup storage.