AWS – Amazon RDS for MySQL and MariaDB supports additional sizes for db.m5 and db.r5 instance classes
Starting today, Amazon RDS for MySQL and Amazon RDS for MariaDB support 8xlarge and 16xlarge sizes for db.m5 and db.r5 instance classes. With support for these new instance sizes, customers who are currently using m4.10xlarge, m4.16xlarge, r4.8xlarge, or r4.16xlarge now have an easy upgrade path to the latest generation of instances.
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