Background information
The value of the memory usage metric for an ApsaraDB RDS for MySQL instance that uses cloud disks may be slightly smaller than the actual memory usage in some cases. This optimization improves the accuracy of the memory usage metric and helps you better monitor the status of your RDS instances.
Content
The memory usage metric of an ApsaraDB RDS for MySQL instance
Effective date
This optimization is rolled out across all regions in phase from May 09, 2022.
Optimization effects
On the Monitoring and Alerts page of an RDS instance that uses cloud disks, a more accurate value of the memory usage metric is displayed.
Note
For more information about how to view metrics, see View monitoring information.