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Recommend Django's cached template loader

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As noted in PR #3077:

    "With the cached template loader enabled, there's a significant performance improvement"
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Jaap Roes 2016-10-26 13:24:36 +02:00 committed by GitHub
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docs/advanced_topics/performance.rst
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@ -55,6 +55,27 @@ Database
Wagtail is tested on SQLite, and should work on other Django-supported database backends, but we recommend PostgreSQL for production use.
Templates
---------
The overhead from reading and compiling templates can add up. In some cases a significant performance improvement can be gained by using `Django's cached template loader <https://docs.djangoproject.com/en/1.10/ref/templates/api/#django.template.loaders.cached.Loader>`_::
TEMPLATES = [{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [os.path.join(BASE_DIR, 'templates')],
'OPTIONS': {
'loaders': [
('django.template.loaders.cached.Loader', [
'django.template.loaders.filesystem.Loader',
'django.template.loaders.app_directories.Loader',
]),
],
},
}]
There is a caveat associated with this loader though. Changes to a template file will not be picked up once it is cached. This means that this loader should *not* be enabled during development.
Public users
~~~~~~~~~~~~