Master the essential strategies for ensuring high availability in PostgreSQL with this practical cookbook. You'll learn how to build resilient PostgreSQL database clusters that can withstand failures, safely replicate data, and scale to meet increasing demands, ensuring your application's reliability. What this Book will help me do Understand and apply replication techniques in PostgreSQL to protect your data and ensure consistency. Set up a robust database cluster using tools like Patroni or Pacemaker to automate failover and maintain availability. Learn hardware configuration best practices for building a strong database platform. Optimize resource usage in your PostgreSQL clusters with connection pooling techniques using pgpool and PgBouncer. Implement advanced monitoring and alerting solutions to effectively track and respond to potential issues in real-time. Author(s) Shaun Thomas is a seasoned database administrator and consultant specializing in PostgreSQL high availability and clustering solutions. With years of hands-on experience in building resilient and scalable database systems, Shaun shares actionable insights and methodologies in a clear and accessible manner. His real-world knowledge and passion for database reliability shine through in his practical and effective writing style, making this book an invaluable resource. Who is it for? This book is perfect for Linux system administrators and PostgreSQL DBAs seeking to enhance the reliability and resilience of their database systems. If you're responsible for reducing downtime, improving failover processes, or managing databases in high-demand scenarios, this book provides the tools and techniques you need. It's especially helpful for professionals looking to deepen their understanding of PostgreSQL-specific solutions to high availability challenges.