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[1.6.x] Fixed #23023 -- Added warning against local-memory cache.

Thanks django at

Backport of 7d0519c from master
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1 parent 04d827a commit 21853c1b908f777de354b1371c17422f10032c70 @timgraham timgraham committed Jul 16, 2014
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  1. +3 −1 docs/topics/http/sessions.txt
4 docs/topics/http/sessions.txt
@@ -64,7 +64,9 @@ sure you've configured your cache; see the :doc:`cache documentation
cache backend. The local-memory cache backend doesn't retain data long
enough to be a good choice, and it'll be faster to use file or database
sessions directly instead of sending everything through the file or
- database cache backends.
+ database cache backends. Additionally, the local-memory cache backend is
+ NOT multi-process safe, therefore probably not a good choice for production
+ environments.
If you have multiple caches defined in :setting:`CACHES`, Django will use the
default cache. To use another cache, set :setting:`SESSION_CACHE_ALIAS` to the

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