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OceanBase Databaseenable_upgrade_mode specifies whether to enable the upgrade mode. In upgrade mode, some backend system features are suspended.
| Attribute | Description |
|---|---|
| Type | Boolean |
| Default value | False |
| Value range | |
| Effective upon OBServer node restart | No |
Before an upgrade, you can use this parameter to control the features (such as DDL operations) that need to be prohibited to simplify the upgrade process. Set enable_upgrade_mode to True before the upgrade and then set it to False after the upgrade.
