The DB instance class determines the computation and memory capacity of an Amazon Aurora DB instance. The DB instance class that you need depends on your processing power and memory requirements.
A DB instance class consists of both the DB instance class type and the size. For example, db.r6g is a memory-optimized DB instance class type powered by AWS Graviton2 processors. Within the db.r6g instance class type, db.r6g.2xlarge is a DB instance class. The size of this class is 2xlarge.
For more information about instance class pricing, see Amazon RDS
pricing
For more information about DB instance class types, supported DB engines, supported AWS Regions, or hardware specifications for DB instance classes, see the following sections.
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