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54 lines
2.1 KiB
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54 lines
2.1 KiB
ReStructuredText
Performance
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===========
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Wagtail is designed for speed, both in the editor interface and on the front-end, but if you want even better performance or you need to handle very high volumes of traffic, here are some tips on eking out the most from your installation.
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Editor interface
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~~~~~~~~~~~~~~~~
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We have tried to minimise external dependencies for a working installation of Wagtail, in order to make it as simple as possible to get going. However, a number of default settings can be configured for better performance:
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Cache
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-----
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We recommend `Redis <http://redis.io/>`_ as a fast, persistent cache. Install Redis through package manager and enable it as a cache backend::
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CACHES = {
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'default': {
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'BACKEND': 'redis_cache.cache.RedisCache',
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'LOCATION': '127.0.0.1:6379',
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'OPTIONS': {
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'CLIENT_CLASS': 'redis_cache.client.DefaultClient',
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}
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}
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}
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Without a persistent cache, Wagtail will recreate all compressable assets at each server start, e.g. when any files change under ```./manage.py runserver```.
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Search
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------
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Wagtail has strong support for `Elasticsearch <http://www.elasticsearch.org/>`_ - both in the editor interface and for users of your site - but can fall back to a database search if Elasticsearch isn't present. Elasticsearch is faster and more powerful than the Django ORM for text search, so we recommend installing it or using a hosted service like `Searchly <http://www.searchly.com/>`_.
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Database
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--------
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Wagtail is tested on SQLite, and should work on other Django-supported database backends, but we recommend PostgreSQL for production use.
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Public users
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~~~~~~~~~~~~
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Caching proxy
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-------------
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To support high volumes of traffic with excellent response times, we recommend a caching proxy. Both `Varnish <http://www.varnish-cache.org/>`_ and `Squid <http://www.squid-cache.org/>`_ have been tested in production. Hosted proxies like `Cloudflare <https://www.cloudflare.com/>`_ should also work well.
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.. versionadded:: 0.4
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Wagtail supports automatic cache invalidation for Varnish/Squid. See :ref:`frontend_cache_purging` for more information.
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