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Advanced PostgreSQL: Indexing, Partitioning, Replication · Lesson

Setting Up a Standby Server

Walk through the practical steps to initialize and configure a PostgreSQL standby server for continuous data synchronization.

Welcome to Standby Setup

In this lesson, we'll walk through the practical steps to set up a PostgreSQL standby server. This server will continuously synchronize data from your primary server, acting as a read-replica and a crucial part of your disaster recovery strategy.

We'll cover the necessary configurations on both the primary and the standby.

Primary Prep: Replication User

Before initializing our standby, we need a dedicated user on the primary server with replication privileges. This user will be used by the standby to connect and stream WAL (Write-Ahead Log) data.

Run this SQL command on your primary PostgreSQL server:

CREATE USER repluser REPLICATION LOGIN CONNECTION LIMIT 1 ENCRYPTED PASSWORD 'StrongPassword123!';

All lessons in this course

  1. Understanding Replication Concepts
  2. Physical Replication (Streaming)
  3. Setting Up a Standby Server
  4. Synchronous vs Asynchronous Replication
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