Master-Replica PostgreSQL Setup for High Availability and Read Scaling

As user traffic grows, database read volume often bottlenecks single-instance database setups.

Setting up primary-secondary streaming replication allows read-heavy queries to be offloaded onto dedicated read replicas.

Key Benefits:

• Horizontal Read Scalability: Distribute read load across multiple database instances.
• Failover & Redundancy: Automatic or semi-automatic failover if the primary node experiences hardware failure.

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