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A fixed window rate limiting based on Redis

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A fixed window rate limiting based on Redis


  • Python >= 3.6

  • Django >= 1.11

  • Redis


To install django-redis-ratelimit, simply:

$ pip install django-redis-ratelimit

NB! django-redis-ratelimit requires a running Redis server. See Redis’s quickstart for installation instructions.

Getting started

First, add the middleware to your

    # ...


this will make sure that end user sees the HTTP 429 response.

Next, apply the ratelimit decorator to the view:

from django.http import HttpResponse
from redis_ratelimit import ratelimit

def index(request):
    return HttpResponse("Hello World!")

Memory requirements

For this example we will assume that each key takes up roughly 250 bytes and each value is 4 bytes:

250 + 4 * 1 million unique hits = ~254 Megabytes




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