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-rw-r--r--user_guide_src/source/libraries/caching.rst23
1 files changed, 17 insertions, 6 deletions
diff --git a/user_guide_src/source/libraries/caching.rst b/user_guide_src/source/libraries/caching.rst
index 8d7b4c440..10d0e84d7 100644
--- a/user_guide_src/source/libraries/caching.rst
+++ b/user_guide_src/source/libraries/caching.rst
@@ -239,21 +239,32 @@ For more information on WinCache, please see
Redis Caching
=============
+Redis is an in-memory key-value store which can operate in LRU cache mode.
+To use it, you need Redis server and any Redis PHP extension, e.g. this one
+`https://github.com/nicolasff/phpredis <https://github.com/nicolasff/phpredis>`_.
+
+Config options to connect to redis server must be stored in the application/config/redis.php file.
+Available options are::
+
+ $config['socket_type'] = 'tcp'; //`tcp` or `unix`
+ $config['socket'] = '/var/run/redis.sock'; // in case of `unix` socket type
+ $config['host'] = '127.0.0.1';
+ $config['password'] = NULL;
+ $config['port'] = 6379;
+ $config['timeout'] = 0;
+
All of the methods listed above can be accessed without passing a
specific adapter to the driver loader as follows::
$this->load->driver('cache');
$this->cache->redis->save('foo', 'bar', 10);
-.. important:: Redis may require one or more of the following options:
- **host**, **post**, **timeout**, **password**.
-
-The Redis PHP extension repository is located at
-`https://github.com/nicolasff/phpredis <https://github.com/nicolasff/phpredis>`_.
+For more information on Redis, please see
+`http://redis.io <http://redis.io>`_.
Dummy Cache
===========
This is a caching backend that will always 'miss.' It stores no data,
but lets you keep your caching code in place in environments that don't
-support your chosen cache. \ No newline at end of file
+support your chosen cache.