Availability and requirements for Amazon RDS Custom for Oracle - Amazon Relational Database Service

Availability and requirements for Amazon RDS Custom for Oracle

In this topic, you can find a summary of the Amazon RDS Custom for Oracle feature availability and requirements for quick reference.

Region and version availability

Feature availability and support vary across specific versions of each database engine, and across AWS Regions. For more information on version and Region availability of Amazon RDS Custom for Oracle, see RDS Custom.

DB instance class support for RDS Custom for Oracle

RDS Custom for Oracle supports the following DB instance classes:

  • db.m5.large–db.m5.24xlarge

  • db.r5.large–db.r5.24xlarge

General requirements for RDS Custom for Oracle

Make sure to follow these requirements for Amazon RDS Custom for Oracle:

Limitations for RDS Custom for Oracle

The following limitations apply to RDS Custom for Oracle:

  • You can't provide your own AMI.

  • Not all options are supported. For example, when you create or modify an RDS Custom for Oracle DB instance, you can't do the following:

    • Change the number of CPU cores and threads per core on the DB instance class.

    • Turn on storage autoscaling.

    • Set backup retention to 0.

    • Configure Kerberos authentication.

    • Specify your own DB parameter group or option group.

    • Turn on Performance Insights.

    • Turn on automatic minor version upgrade.

    • Change the DB instance class. For example, you can't change a db.m5.xlarge DB instance to db.m5.2xlarge. However, you can restore a snapshot of your RDS Custom for Oracle DB instance to a different instance class.

  • The maximum DB instance storage is 64 TiB.

  • Only one database is supported on an RDS Custom for Oracle DB instance.