Databases metrics and dimensions

This topic covers the metrics, dimensions, and system alert parameter values for the Databases service.

Metric	Definition	Unit
Available Disk Space	Amount of storage space on a disk drive that isn’t currently in use	GB
Available Memory	Amount of memory available to be allocated to new or existing processes	GB
CPU Usage	Amount of load handled by individual processor cores to run various programs on a virtual machine (VM) expressed as a percentage of the total available CPU	%
Disk I/O Read	Number of read operations a storage disk can perform per second	IOPS
Disk I/O Write	Number of write operations a storage disk can perform per second	IOPS
Disk Space Usage	Measurement of a VM's disk usage for tasks and programs expressed as a percentage of the total available disk space	%
Memory Usage	Amount of memory a VM uses at any given time expressed as a percentage of the total available memory	%

Dimension	Definition
Database Cluster	The specific group of databases or servers connected to a system to improve performance, availability, and scalability.
Database Engine	The underlying system that the database is using to operate: MySQL or PostgreSQL
Node Type	The type of node in a cluster: primary or secondary
Region	Localized geographic area where the entity is located

The following parameters have been preconfigured for Memory Usage, CPU Usage, and Disk Space Usage system alerts: