Amazon RDS Read Replicas

Amazon RDS Read Replicas (Oct 2010)

• Homepage: https://aws.amazon.com/rds/features/read-replicas/

• 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

News

• 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 2012 - Amazon RDS for PostgreSQL now supports cross-region read replicas

Related

• single AZ, multi AZ
• aws rds create-db-instance-read-replica
• aws rds describe-db-instances
• PostgreSQL replication
• WAL
• Amazon Aurora replication

See also

• Amazon databases: AWS RDS, storage, aws rds, Amazon RDS Proxy, RDS FAQs, PostgreSQL, MySQL, SQL Server, AWS Outposts, Amazon Aurora, Amazon Aurora Serverless , Amazon DocumentDB, Amazon DynamoDB, Amazon Redshift, Amazon QLDB, Amazon RDS Performance Insights, DataFileRead, DMS, Amazon Neptune, Amazon MemoryDB for Redis, Amazon RDS query editor for Aurora Serverless, Amazon Redshift query editor, AWS RDS Snapshots, AWS RDS Instance Types, rds_superuser, Authentication, autoscaling

https://aws.amazon.com/blogs/aws/amazon-rds-announcing-read-replicas/

https://aws.amazon.com/about-aws/whats-new/2016/06/amazon-rds-for-postgresql-now-supports-cross-region-read-replicas/