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Why Database Connection Pool Size Tuning Still Matters in 2026 episode artwork

Jun 20, 2026 8 min

Why Database Connection Pool Size Tuning Still Matters in 2026

from Database Tech with Fexingo: SQL, NoSQL, and Data Storage Conversations Hosted by Fexingo

In this episode, Lucas and Luna dive into the often-overlooked art of database connection pool sizing. They explain why the classic formula of `connections = (core_count * 2) + effective_spindle_count` is outdated in the era of cloud databases and high-concurrency workloads. Using a real-world case study from a mid-size e-commerce platform that reduced query latency by 40% simply by tuning its pool from 150 to 25 connections, they explore the dangers of over-pooling, the role of queue time, and how tools like HikariCP and PgBouncer help enforce connection discipline. Perfect for engineers wrestling with mysterious application slowdowns. #Database #Performance #ConnectionPooling #SQL #PostgreSQL #MySQL #HikariCP #PgBouncer #Concurrency #CloudDatabases #TechTips #Backend #SoftwareEngineering #DevOps #FexingoBusiness #BusinessPodcast #DataEngineering #Optimization Keep every episode free: buymeacoffee.com/fexingo

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Why Database Connection Pool Size Tuning Still Matters in 2026

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This episode is 8 minutes long.

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This episode was published on June 20, 2026.

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