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Comment by cat199 | Hacker News Reader

> Now they are shipping a built in Redis cache back-end?

no. actual link as you surmised states:

    This PR aims at adding support for Redis to be used as a caching 
    backend with Django. As redis is the most popular caching backend, 
    adding it to django.core.cache module would be a great addition for 
    developers who previously had to rely on the use of third party 
    packages.

so just a bad link title

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I was somewhat surprised to see that the django.core.cache module didn't support an mmap based cache. The default cache is per-process, so it's somewhat limited in effectiveness. Something like Redis solves that, but adds another running process to manage.

In the PHP world, for example, acpu is a popular user-facing cache that uses mmap so that it works cross-process, then you can move to redis if you want to scale across more than one host.

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