Scaling PostgreSQL Connections in Azure: A Deep Dive into Multi-PgBouncer Architectures
1. Introduction In today's data-driven landscape, the demand for highly available and scalable database architectures is not just a preference—it's a fundamental requirement. For applications leveraging PostgreSQL, especially within dynamic cloud environments like Microsoft Azure, efficient connection management becomes a critical pillar supporting both performance and resilience. This article provides a deep dive into architecting a robust, scalable, and highly available connection pooling layer for Azure Database for PostgreSQL - Flexible Server. We'll explore how to deploy multiple PgBouncer instances, orchestrated by an Azure Load Balancer, to transcend the limitations of single poolers, overcome single points of failure, and achieve significantly enhanced throughput for your demanding workloads. 2. The Double-Edged Sword: PostgreSQL Connections & the Imperative of Pooling PostgreSQL's power and flexibility are undeniable, but like any sophisticated system, it ...