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Learn how PostgreSQL replication ensures high availability, load balancing, and failover protection while improving scalability and performance. This tutorial explains replication, Write-Ahead Logging (WAL), read replicas vs. HA replicas, and how to implement replication for various applications.

Scaling a PostgreSQL database? You need replicas.

PostgreSQL insights for every developer journey. Get tips and tutorials on database performance, query optimization, time-series data, and more—from real-time analytics and IoT data management to events and vector embeddings. 
