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Martin 2015-01-27 19:17:47 +01:00
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14
admin_manual/configuration/performance_tips.rst
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@ -46,15 +46,15 @@ On large instances you could consider `running MySQLTuner <https://github.com/ma
-----------------------------------
Nginx: caching owncloud gallery thumbnails with fastcgi_cache_purge
Nginx: caching ownCloud gallery thumbnails with fastcgi_cache_purge
===================================================================
| One of the optimisations for owncloud when using Nginx as webserver is to combine FastCGI caching with "Cache Purge", a `3rdparty Nginx module <http://wiki.nginx.org/3rdPartyModules>`_ that adds the ability to purge content from `FastCGI`, `proxy`, `SCGI` and `uWSGI` caches. This mechanism speeds up thumbnail presentation as it shifts requests to Nginx and minimizes php invocations which else would take place for every thumbnail presented every time.
| One of the optimisations for ownCloud when using Nginx as webserver is to combine FastCGI caching with "Cache Purge", a `3rdparty Nginx module <http://wiki.nginx.org/3rdPartyModules>`_ that adds the ability to purge content from `FastCGI`, `proxy`, `SCGI` and `uWSGI` caches. This mechanism speeds up thumbnail presentation as it shifts requests to Nginx and minimizes php invocations which else would take place for every thumbnail presented every time.
| The following procedure is based on an Ubuntu 14.04 system. You may need to adopt it according your OS type and release.
| **Note I:**
| Unlike Apache, Nginx does not dynamically load modules. All modules needed, must be compiled into Nginx. This is one of the reasons for Nginx´s performance.
| **Note II:**
| It is expected to have an already running Nginx installation with a working configuration set up like described in the owncloud documentation.
| It is expected to have an already running Nginx installation with a working configuration set up like described in the ownCloud documentation.
Nginx module check
------------------
@ -154,9 +154,9 @@ Configure Nginx with the ``nginx-cache-purge`` module
|
2. | *Configuration*
| ``sudo vi /etc/nginx/sites-enabled/{your-owncloud-nginx-config-file}``
| ``sudo vi /etc/nginx/sites-enabled/{your-ownCloud-nginx-config-file}``
|
| Note: the ``keys_zone`` / ``fastcgi_cache`` name and the ``{path}`` must be unique to each instance of owncloud serverd with Nginx !
| Note: the ``keys_zone`` / ``fastcgi_cache`` name and the ``{path}`` must be unique to each instance of ownCloud serverd with Nginx !
|
| Add at the *beginning*, but *outside* the ``server{}`` block:
| ``fastcgi_cache_path {path} levels=1:2 keys_zone=OWNCLOUD:100m inactive=60m;``
@ -191,7 +191,7 @@ Configure Nginx with the ``nginx-cache-purge`` module
| ``}``
|
| Note regarding the ``fastcgi_pass`` parameter:
| Use whatever fits your configuration. In the example above, a ``upstream`` was defined in a global configuration file.
| Use whatever fits your configuration. In the example above, a ``upstream`` was defined in an Nginx global configuration file.
| This then can look like:
|
| ``upstream php-handler {``
@ -206,7 +206,7 @@ Configure Nginx with the ``nginx-cache-purge`` module
* | Open your browser and clear your cache.
* | Logon to your owncloud instance, open the gallery app, move thru your folders
* | Logon to your ownCloud instance, open the gallery app, move thru your folders
| and watch while the thumbs are generated for the first time.
* | You may also watch with eg. ``htop`` your system load while the thumbnails are processed.
* | Goto another app or logout and relogon.