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Use pgactive for rolling major version upgrades in Amazon RDS for PostgreSQL
- pgactive can perform rolling major version upgrades for Amazon RDS for PostgreSQL, reducing application impact.
- Database upgrades are crucial for performance and security with new features and updates in major versions.
- Minor version upgrades are frequent and backward-compatible, while major upgrades introduce non-backward-compatible changes.
- Amazon RDS supports various upgrade options, including blue/green deployment for minimal downtime.
- Rolling upgrades with pgactive allow a gradual transition to new database versions, improving high availability.
- pgactive enables active-active replication for Amazon RDS PostgreSQL, with built-in conflict detection and resolution.
- Key benefits of using pgactive include multi-tenant support, minimal downtime, and seamless rollback capabilities.
- Steps involved in setting up pgactive for rolling upgrades include configuring parameters, setting up endpoints, and initializing replication.
- Limitations of pgactive include handling sequences, materialized views, DDL replication, tables without primary keys, and existing logical replication.
- Monitoring replication lag is crucial for pgactive to diagnose issues and prevent conflicting changes in the system.
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