DjangoCon 2022 | Data-Oriented Django

Key Takeaways

• Data-Oriented Design: Software’s only job is to transform data. Focus on efficient data transfer, processing, and caching.
• Prefetch Related: Use prefetch_related to reduce database queries and improve performance.
• Select Related: Use select_related to fetch related data in a single query, improving performance.
• Caching: Implement caching to reduce repeated queries and improve performance.
• Web Performance: Optimize web performance by reducing data transfer, processing, and caching.
• Django Auto Prefetch: Use Django Auto Prefetch to auto-prefetch related data, improving performance.
• N+1 Queries Problem: Use prefetch_related to avoid the N+1 queries problem, which involves making multiple queries to the database.
• Cache Levels: Understand cache levels and their impact on performance.
• Data Volume: Reduce data volume by optimizing data storage and transfer.
• Compression: Use compression algorithms to reduce data transfer size.
• HTTP Caching: Implement HTTP caching to reduce repeated requests and improve performance.
• Beginner’s Mind: Apply the concept of beginner’s mind to software development, focusing on simplicity and efficiency.
• Small Representations: Use small representations of data to improve performance and reduce data transfer size.