How to make askbot work with memcached?

Question

In the settings.py, I added

 CACHES = {
     'default': {
             'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
            'LOCATION': 'unix:/home/jqy/perexp/data/memcached/memcached.sock',
        }
 }

Also added middleware in the file. memcached is started. But when i tried to run askbot in the production mode, it seems like some files, like css file, javascript file, need to be requested from cache. Some links are like: http://xxx.webfactional.com/m/CACHE/js/85190e85e697.js

But it can't be found in the server side. How to configure memcached for the per-site cache?

Many thanks.

Answer 1

0

Hello, we have resolved this issue on Askbot support forum, just copying here:

@jqy is confused about subdirectory CACHE and Memcached. There is absolutely no connection between the two.

The directory CACHE is created (or is attempted to be created) inside the directory for the static files by the staticfiles app, then new directories and files are written into that directory (the combined javascript and the css files).

If the webserver cannot write into that directory or cannot create subdirectory CACHE in the staticfiles directory then the combined assets will not be created and your site may look as completely stripped of styles and be unfunctional.

The solution is to create that directory manually and possibly change permissions so that the webserver can actually build the combined static files.

I don't know what is the effective user of the webserver on WebFaction, hopefully WF staff could fill in. Also documentation about the django's compressor app will be helpful.

permanent link

answered 03 May '13, 08:15

Evgeny
1●1●2
accept rate: 0%

edited 03 May '13, 15:48

@seanf @ryans Could you please help him with the static files? I know that WebFaction hosting has special conventions and I don't know what they are. Thanks!

(03 May '13, 08:22) Evgeny

The effective user that runs your Askbot app is your main account user.

The effective user for media served via our front-end Nginx server is "nginx".

Our documentation for setting up static media for your Django application is here: Serving Django Static Media

If you need more personalized assistance, feel free to open a support ticket via our control panel.

(03 May '13, 14:18) seanf

The server is not allowed to create directories?

(03 May '13, 14:51) Evgeny

If by "the server", you mean your Askbot process, then it should be able to create directories anywhere within your home directory, except in ~/logs and directly under ~/webapps. If you need to create a directory directly under ~/webapps, then you can do so by creating a static-only app in our control panel. A corresponding directory will be created for that app.

(03 May '13, 15:25) seanf

Ok, then it's clear. Yes by the server I mean the python webapp server. He needs to create a subdirectory within the static files app. Django compressor app by default wants to write into the STATICFILES_DIR + '/CACHE' .

(03 May '13, 15:33) Evgeny

How to make askbot work with memcached?

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