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Use Microsoft Azure Redis Cache with Drupal 7

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1. Install Drupal Redis Module: https://www.drupal.org/project/redis

2. Subscribe Microsoft Azure Redis Cache: https://azure.microsoft.com/en-us/services/cache/

3. Install Predis package:
- Download: https://github.com/nrk/predis/
- Install: Unzip predis-1.0.zip (downloaded from above link), create a folder "predis" at wwwroot, copy contents in "predis-1.0" to "wwwroot/predis"
- Run "php composer.phar install" (in the same directory with composer.json)

 

(If you do not have composer.phar installed, install it at wwwroot, download site: https://getcomposer.org/download/, you can use the curl command on Azure)

- Modify include_path in .user.ini: add include_path='.;D:\home\site\wwwroot\predis' )
- Require Predis package before use it: Add  require("predis/autoload.php"); in PHP code

4. Configure Redis in Drupal:
In .settings.php, add following code to configure redis cache (sample code):

require("predis/autoload.php");

$conf['redis_client_interface'] = 'Predis';
$conf['redis_client_host'] = '<redisCacheName.redis.cache.windows.net>';
$conf['redis_client_port'] = 6379;
$conf['redis_client_password'] = '<Primary Access Key>';
$conf['lock_inc'] = 'sites/all/modules/contrib/redis/redis.lock.inc';
$conf['cache_backends'][] = 'sites/all/modules/contrib/redis/redis.autoload.inc';
$conf['cache_default_class'] = 'Redis_Cache';

Note: If SSL port 6380 does not work, turn on NON-SSL PORT 6379 (change the value of "Allow access only via SSL" to "No")

 

5. Test:

- If the configuration works and connect to Azure Redis Cache, you should see the hostname and port populated in Drupal.

- Turn on Diagnostic in your Microsoft Azure Redis Cache, check the data from Monitoring tool, example data:

 

6. Reference: https://redislabs.com/drupal-redis

Comments

  • Anonymous
    July 23, 2015
    Thank you for including the reference to Redis Labs' website! If there are any contributions you'd like to make, please feel free to use our GitHub repo for these docs ;)

  • Anonymous
    March 21, 2016
    Any ideas how to enable PHP to talk to Azure Redis over SSL?