Difference between revisions of "Amazon RDS Read Replicas"

Revision as of 10:41, 26 December 2022

Amazon RDS Read Replicas (Oct 2010) ^[1]

Amazon RDS Read Replicas, Postgres: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_PostgreSQL.Replication.ReadReplicas.html
- You can create up to 5 read replicas from one source DB instance
- You can't stop a DB instance that has a read replica, or that is a read replica.^[2]

May 2022 - Supports cascaded read replicas for up to 30X more read capacity https://aws.amazon.com/about-aws/whats-new/2022/05/amazon-rds-postgresql-cascaded-read-replicas-30x-capacity/
Jun 2016 - Amazon RDS for PostgreSQL now supports cross-region read replicas ^[3]

@@ Line 10: / Line 10: @@
 * Jun 2016 - Amazon RDS for PostgreSQL now supports [[cross-region]] read replicas <ref>https://aws.amazon.com/about-aws/whats-new/2016/06/amazon-rds-for-postgresql-now-supports-cross-region-read-replicas/</ref>
-== Related ==
+== Commands ==
-* <code>[[single AZ]], [[multi AZ]]</code>
 * <code>[[aws rds create-db-instance-read-replica]]</code>
 * <code>[[aws rds describe-db-instances]]</code>
 * <code>[[aws rds promote-read-replica]]</code>
+== Related ==
+* <code>[[single AZ]], [[multi AZ]]</code>
 * [[PostgreSQL replication]]
 * [[Write-ahead logging (WAL)]]