Difference between revisions of "Amazon RDS Read Replicas"
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↑ https://aws.amazon.com/blogs/aws/amazon-rds-announcing-read-replicas/
↑ https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_StopInstance.html
↑ https://aws.amazon.com/about-aws/whats-new/2016/06/amazon-rds-for-postgresql-now-supports-cross-region-read-replicas/
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* Amazon RDS Read Replicas, [[Amazon RDS for PostgreSQL|Postgres]]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_PostgreSQL.Replication.ReadReplicas.html | * Amazon RDS Read Replicas, [[Amazon RDS for PostgreSQL|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 create up to 5 read replicas from one source DB instance | ||
| + | ** [[Stopping an Amazon RDS DB instance temporarily|You can't stop a DB instance that has a read replica, or that is a read replica]].<ref>https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_StopInstance.html</ref> | ||
== News == | == News == | ||
| Line 9: | 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> | * 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> | ||
| − | == | + | == Commands == |
| − | |||
* <code>[[aws rds create-db-instance-read-replica]]</code> | * <code>[[aws rds create-db-instance-read-replica]]</code> | ||
* <code>[[aws rds describe-db-instances]]</code> | * <code>[[aws rds describe-db-instances]]</code> | ||
| + | * <code>[[aws rds promote-read-replica]]</code> | ||
| + | |||
| + | == Related == | ||
| + | * <code>[[single AZ]], [[multi AZ]]</code>, [[cross region]] | ||
* [[PostgreSQL replication]] | * [[PostgreSQL replication]] | ||
| − | |||
* [[Amazon Aurora replication]] | * [[Amazon Aurora replication]] | ||
| − | * [[ | + | * [[Write-ahead logging (WAL)]] |
== See also == | == See also == | ||
| − | * {{ | + | * {{aws rds replica}} |
[[Category:AWS]] | [[Category:AWS]] | ||
[[Category:Amazon RDS]] | [[Category:Amazon RDS]] | ||
[[Category:AWS RDS]] | [[Category:AWS RDS]] | ||
Latest revision as of 10:43, 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]
Contents
News[edit]
- 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]
Commands[edit]
Related[edit]
single AZ, multi AZ, cross region- PostgreSQL replication
- Amazon Aurora replication
- Write-ahead logging (WAL)
See also[edit]
- Amazon RDS Read Replicas,
aws rds [ create-db-instance-read-replica | promote-read-replica | promote-read-replica-db-cluster ]
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