PostgreSQL Performance Tuning on a 10TB Database: What Actually Worked

📰 Dev.to · Moon Robert

Learn how to tune PostgreSQL performance for large databases, with actionable steps from a real-world 10TB example

intermediate Published 9 Mar 2026
Action Steps
  1. Analyze your database schema using pg_catalog to identify bottlenecks
  2. Run EXPLAIN and EXPLAIN ANALYZE to understand query execution plans
  3. Configure effective indexing strategies using CREATE INDEX
  4. Optimize server parameters like shared_buffers and effective_cache_size
  5. Test and monitor performance using pg_stat_statements and pg_badger
Who Needs to Know This

Database administrators and developers responsible for large-scale PostgreSQL deployments will benefit from this tutorial, as it provides practical advice on optimizing performance

Key Insight

💡 Proper indexing and server parameter configuration are crucial for optimal PostgreSQL performance

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🚀 Boost your PostgreSQL performance with these actionable tips from a 10TB database tuning experience

Key Takeaways

Learn how to tune PostgreSQL performance for large databases, with actionable steps from a real-world 10TB example

Full Article

Our PostgreSQL cluster crossed 10TB sometime in late 2024. I remember because that was also the week...
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