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Book synopsis

Improve Database Performance in Django

Is your Django application sluggish? Are your database queries slowing down your user experience?

This book will help identify, analyze, and fix the most common performance bottlenecks related to database access, by focusing on minimizing the cost of I/O operations by taking full control of the Django ORM's QuerySets.

Master the Django ORM & Eliminate Bottlenecks

Fundamentals: Understand how QuerySets work, including lazy evaluation, caching, and the cost of I/O.
Discovery: Learn how to find what takes so much time in your app.
Mature Optimization: Move beyond "premature optimization" and learn a data-driven approach to refactoring based on empirical evidence.
Solved Problems: Get practical, code-first solutions for classic anti-patterns like:

• Chatty I/O
• The N+1 Queries problem
• Full Table Scans

Case Studies: Complement your knowledge with scenarios that go beyond the basics.

• Complex Queries
• Long SQL Statements
• Fat Pagination Queries

Who This Book Is For

This book is designed for intermediate to advanced Django developers who want to take their applications from "working" to "performant".

Stop guessing why your app is slow and start measuring and improving.

Book details

• Full title: Django QuerySet Performance
• Author: Bruno Well Dantas Morais
• Language: English
• Binding: Paperback
• Number of pages: 110
• EAN: 9798241794994
• ID: 50488733
• Publisher: Independently published
• Weight: 160 g
• Dimensions: 229 × 152 × 6 mm
• Date of publishing: 29. December 2025

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