Cross-Region read replicas - Amazon Relational Database Service
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China.

Cross-Region read replicas

By using cross-Region read replicas in Amazon RDS, you can create a MariaDB, MySQL, Oracle, PostgreSQL, or SQL Server read replica in a different Region from the source DB instance. For more information about cross-Region read replicas, including source and destination Region considerations, see Creating a read replica in a different Amazon Web Services Region.

Cross-Region read replicas with RDS for MariaDB

Cross-Region read replicas with RDS for MariaDB are available in all Regions for the following versions:

  • RDS for MariaDB 10.6 (All versions)

  • RDS for MariaDB 10.5 (All versions)

  • RDS for MariaDB 10.4 (All versions)

  • RDS for MariaDB 10.3 (All versions)

Cross-Region read replicas with RDS for MySQL

Cross-Region read replicas with RDS for MySQL are available in all Regions for the following versions:

  • RDS for MySQL 8.0 (All versions)

  • RDS for MySQL 5.7 (All versions)

Cross-Region read replicas with RDS for Oracle

Cross-Region read replicas for RDS for Oracle are available in all Regions with the following version limitations:

  • For RDS for Oracle 21c, cross-Region read replicas aren't available.

  • For RDS for Oracle 19c, cross-Region read replicas are available for instances of Oracle Database 19c that aren't container database (CBD) instances.

  • For RDS for Oracle 12c, cross-Region read replicas are available for Oracle Enterprise Edition (EE) of Oracle Database 12c Release 1 (12.1) using 12.1.0.2.v10 and higher 12c releases.

For more information on additional requirements for cross-Region read replicas with RDS for Oracle, see Considerations for RDS for Oracle replicas.

Cross-Region read replicas with RDS for PostgreSQL

Cross-Region read replicas with RDS for PostgreSQL are available in all Regions for the following versions:

  • RDS for PostgreSQL 14 (All versions)

  • RDS for PostgreSQL 13 (All versions)

  • RDS for PostgreSQL 12 (All versions)

  • RDS for PostgreSQL 11 (All versions)

  • RDS for PostgreSQL 10 (All versions)

Cross-Region read replicas with RDS for SQL Server

Cross-Region read replicas with RDS for SQL Server are available in all Regions except the following:

  • Africa (Cape Town)

  • Asia Pacific (Jakarta)

  • Asia Pacific (Hong Kong)

  • China (Beijing)

  • China (Ningxia)

  • Europe (Milan)

  • Middle East (Bahrain)

  • Middle East (UAE)

Cross-Region read replicas with RDS for SQL Server are available for the following versions using Microsoft SQL Server Enterprise Edition:

  • RDS for SQL Server 2019 (Version 15.00.4073.23 and higher)

  • RDS for SQL Server 2017 (Version 14.00.3049.1 and higher)

  • RDS for SQL Server 2016 (Version 13.00.5216.0 and higher)