Help Center/ Relational Database Service_RDS for MySQL/ FAQs/ Database Monitoring/ How Can I Calculate the Memory Usage of an RDS DB Instance?
Updated on 2026-10-08 GMT+08:00
How Can I Calculate the Memory Usage of an RDS DB Instance?
Click the target RDS for MySQL instance name. Go to the DBA Assistant > Performance page and view the memory usage.
Figure 1 Instance monitoring
The formula for calculating the RDS for MySQL memory usage is as follows:
Memory usage = (Total memory – (Available memory + Buffer memory + Cache memory))/Total memory
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