Different editions of the DataBase Audit service provide different amounts of storage for SQL statements. If your available storage is insufficient, upgrade the edition of your DataBase Audit instance.
Check if your SQL statement storage is sufficient
Log on to the Alibaba Cloud Security DataBase Audit system. The home page displays the number of audited statements.

Note To view the exact disk capacity, log on to the Alibaba Cloud Security DataBase Audit system using an administrator account.

The following table lists the storage capacity for each edition. You can use this information to check if your current storage is sufficient.
| Edition | Number of storable SQL statements |
| Professional Edition | 3 billion |
| Premium Edition | 3 billion |
| Enterprise Edition | 35 billion |
If the storage usage for the data center partition or the data backup partition approaches 80%, your log storage space is nearly full. To increase the data disk space, upgrade the edition of your DataBase Audit instance.
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