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Setting Backup Retention Period
Backups for TDSQL-C for MySQL include data backups and log backups (binlog and redolog). Backup methods are categorized into automatic backup and manual backup. Backups can be stored in the local region or a cross-region location. You can configure the backup retention period for: local or cross-region snapshot backups from automatic backups, local or cross-region logical backups from automatic backups, and local or cross-region log backups.
This document describes how to set the backup retention period in the console.
Directions
Setting the Retention Period for Snapshot Backups in Automatic Backups
1. Log in to the TDSQL-C for MySQL console.
2. Select a region at the top and proceed according to the actually used view mode.
Click Target Cluster in the cluster list on the left to enter the cluster management page.
Find the target cluster in the cluster list and click the Cluster ID or Manage in the Operation column to enter the cluster management page.
3. On the cluster management page, select the Backup Management tab and click Auto-Backup Settings.
4. In the Auto-Backup Settings window, click Modify Backup Settings to set the retention period for automatic backups in the pop-up window. After configuration, both local and cross-region automatic snapshot backups for this cluster will be retained according to this period.
Setting the Retention Period for Logical Backups in Automatic Backups
1. Follow Steps 1-3 to enter the Automatic Backup Settings Page.
2. In the automatic backup settings window and under Logical Backup, click Enable and Set.
Note:
If automatic logical backup is already enabled and you need to modify the backup retention period, please click Modify Backup Settings.
3. In the pop-up dialog box, set the retention days for automatic backups (7 - 1830 days), and click OK.
4. After it is enabled and configured successfully, click OK in the lower right corner.
Setting the Retention Period for Log Backups
Note:
Binlog backup retention days: 7 - 1,830 days, which cannot be shorter than the data backup retention period.
If cross-region backup is enabled for binlog, the retention period for local binlog backup files will be consistent with that for cross-region binlog backup files.
Redolog backup is enabled by default. Its retention days are the same as those for automatic snapshot backups, and its cross-region backup settings are the same as those for automatic snapshot backups.
1. Enter the cluster management page according to Step 1-2.
2. On the cluster management page, select the Backup Management tab, click Log Backup Settings.
3. Set the binlog backup retention days, and click OK.
Related APIs
API | Description |
This API (DescribeBackupConfig) is used to obtain the backup configuration information of the specified cluster, including the full backup time window and the backup file retention period. | |
This API (DescribeBinlogSaveDays) is used to query the cluster's binlog retention days. | |
This API (DescribeBinlogConfig) is used to query binlog configuration. | |
This API (ModifyBinlogConfig) is used to modify binlog configuration. |
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