django-auto-prefetching
nplusone
| django-auto-prefetching | nplusone | |
|---|---|---|
| 1 | 2 | |
| 227 | 974 | |
| - | - | |
| 4.6 | 0.0 | |
| 5 months ago | over 1 year ago | |
| Python | Python | |
| MIT License | MIT License |
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django-auto-prefetching
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Ban 1+N in Django
Shameless plug - I ran into this while developing REST interfaces with Django and built django-auto-prefetching: https://github.com/GeeWee/django-auto-prefetching
It essentially travels your DRF serializer tree and builds an auto-prefetched query automatically without you needing to do any work.
Back when I still worked actively on it, I wanted to monkey-patch models to track whether or not n+1 was happening, and if it was, automatically do pre-fetching, so instead of an n+1 problem you'd end up with just a "3-4 queries when it could've been 1" problem - which is much more palatable. Never got around to that part though.
nplusone
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Finding n + 1 problem on a local machine
- https://github.com/jmcarp/nplusone can be enabled on dev / test and warn / fail tests
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Ban 1+N in Django
Rails has Bullet[0] to help identify and warn you against N+1
Does Django have anything active? Quick search revealed nplusone[1] but its been dead since 2018.
[0] https://github.com/flyerhzm/bullet
[1] https://github.com/jmcarp/nplusone
What are some alternatives?
pellet - Pellet helps improve your Django app performance by discovering N+1 queries.
django-orm-plus
django-zen-queries - Explicit control over database query execution in Django applications
funcy - A fancy and practical functional tools
django-seal - Django application providing queryset sealing capability.
django-cacheops - A slick ORM cache with automatic granular event-driven invalidation.
bullet - help to kill N+1 queries and unused eager loading