Amazon CloudWatch dimensions for Aurora - Amazon Aurora
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Amazon CloudWatch dimensions for Aurora

You can filter Aurora metrics data by using any dimension in the following table.

Dimension Filters the requested data for . . .
DBInstanceIdentifier

A specific DB instance.
DBClusterIdentifier

A specific Aurora DB cluster.
DBClusterIdentifier, Role

A specific Aurora DB cluster, aggregating the metric by instance role (WRITER/READER). For example, you can aggregate metrics for all READER instances that belong to a cluster.
DbClusterIdentifier, EngineName

A specific Aurora DB cluster and engine name combination. For example, you can view the VolumeReadIOPs metric for cluster ams1 and engine aurora.
DatabaseClass

All instances in a database class. For example, you can aggregate metrics for all instances that belong to the database class db.r5.large.
EngineName

The identified engine name only. For example, you can aggregate metrics for all instances that have the engine name aurora-postgresql.
SourceRegion

The specified Region only. For example, you can aggregate metrics for all DB instances in the us-east-1 Region.