Supercharge Your Django Apps: Unveiling Performance Secrets with the Magic of Django Silk!

Speaker: Vishrut Kohli

Track: Web

Type: Remote Talk

Room: Talk Room 2 (Remote Talks)

Time: Oct 05 (Thu): 11:00

Duration: 0:45

Abstract: In this talk, we will take an in-depth look at Django Silk and explore how it can help optimize database queries, detect N+1 queries and other performance issues, and improve the performance of your Django applications.

Outline:

1. Introduction (2 minutes)
   • About me and what I do
   • Importance of performance optimisation in web development
2. What is Django Silk? (2 minutes)
   • A performance profiler and optimisation tool for Django
   • Allows you to monitor SQL queries, view rendering times, cache usage, and more
   • Provides real-time insights into your application's performance
3. How to install and Configure Django Silk (2 minutes)
   • Adding Django Silk to your project
   • Configuring the profiling middleware
   • Enabling the admin interface
4. How to profile Your Application (3 minutes)
   • Collecting request/response data
   • Logging SQL queries
   • Measuring template rendering times
   • Identifying slow views and URLs
5. Profiling Django Views (3 minutes)
   • Understanding the Silk middleware
   • Enabling and disabling profiling
   • Analysing view execution times and SQL queries
   • Identifying slow-performing views
6. Optimising Database Queries (3 minutes)
   • Common query optimisation techniques
   • Detecting and fixing N+1 queries
   • Utilising querysets and aggregation
   • going beyond just using .select_related(), .prefetch_related()
7. Real-Time Debugging (2 minutes)
   • The Django Silk shell
   • Debugging performance issues live
8. Best Practices (3 minutes)
   • Configuring Django Silk for production
   • Integrating it in your development workflow
   • Using Silk's request filtering and grouping
   • Analysing Silk's timeline visualisation
   • Lessons learned and insights gained from real-world projects
9. Conclusion and Q&A (5 minutes)

Key Takeaways:

• Install and configure Django Silk to profile your Django application
• Analyse performance data to detect bottlenecks
• Optimize database queries using techniques like N+1 query detection
• Utilize real-time debugging to fix performance issues on the fly

Target Audience: Django developers looking to optimize their application's performance.