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DjangoCon 2022 | Data-Oriented Django
Optimize your Django application's performance by mastering data-oriented design, prefetching, caching, and more at this informative conference talk on DjangoCon 2022.
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.