Difference between revisions of "Amazon RDS Read Replicas"

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Amazon RDS Read Replicas ([[AWS timeline|Oct 2010]]) <ref>https://aws.amazon.com/blogs/aws/amazon-rds-announcing-read-replicas/</ref>
 
Amazon RDS Read Replicas ([[AWS timeline|Oct 2010]]) <ref>https://aws.amazon.com/blogs/aws/amazon-rds-announcing-read-replicas/</ref>
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* Homepage: https://aws.amazon.com/rds/features/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
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** You can create up to 5 read replicas from one source DB instance
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** [[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>
  
* https://aws.amazon.com/rds/features/read-replicas/
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== News ==
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* 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/
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* 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>
  
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== Commands ==
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* <code>[[aws rds create-db-instance-read-replica]]</code>
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* <code>[[aws rds describe-db-instances]]</code>
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* <code>[[aws rds promote-read-replica]]</code>
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== Related ==
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* <code>[[single AZ]], [[multi AZ]]</code>, [[cross region]]
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* [[PostgreSQL replication]]
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* [[Amazon Aurora replication]]
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* [[Write-ahead logging (WAL)]]
  
 
== See also ==
 
== See also ==
* {{RDS}}
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* {{aws rds replica}}
  
 
[[Category:AWS]]
 
[[Category:AWS]]
 
[[Category:Amazon RDS]]
 
[[Category:Amazon RDS]]
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[[Category:AWS RDS]]

Latest revision as of 10:43, 26 December 2022

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