Title: Will wp-super-cache use Alternative PHP Cache (APC)? Last modified: August 21, 2016 --- # Will wp-super-cache use Alternative PHP Cache (APC)? * [Ron Strilaeff](https://wordpress.org/support/users/ronstrilaeff/) * (@ronstrilaeff) * [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/) * I see where it says this: Advanced users only: Install an object cache. Choose from Memcached, XCache, eAcccelerator and others. * Any suggestions on APC? (my server supports that) * [http://wordpress.org/plugins/wp-super-cache/](http://wordpress.org/plugins/wp-super-cache/) Viewing 8 replies - 1 through 8 (of 8 total) * [Pothi Kalimuthu](https://wordpress.org/support/users/pothi/) * (@pothi) * [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/#post-4096134) * Yes, APC as object cache can work with WP Super Cache. I’ve done just that on a few production servers. The author (Donncha) may have his own reasons not to mention APC in that list. One reason could be that its development process is almost stalled since PHP 5.5 and may not be reviewed in the near future, due to ever increasing number of complex bugs. * Thread Starter [Ron Strilaeff](https://wordpress.org/support/users/ronstrilaeff/) * (@ronstrilaeff) * [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/#post-4096174) * hmmm, I saw the mention of issues similar to “complex bugs” on the media temple forum (my host). The installation was difficult and introduced new errors when used on an account with multiple sites. * I do not need unstable system sofware, so I think I will put that off for now. * Thanks, Ron * [Pothi Kalimuthu](https://wordpress.org/support/users/pothi/) * (@pothi) * [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/#post-4096177) * Most of the servers where I installed APC are unmanaged LAMP or LEMP servers on Ubuntu 12.04, with PHP-FPM. This (Ubuntu 12.04) is probably the most stable system / server for APC at the moment, in my experience. * [Rolf Allard van Hagen](https://wordpress.org/support/users/ravanh/) * (@ravanh) * [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/#post-4096178) * [@pothi](https://wordpress.org/support/users/pothi/) Kalimuthu – intrigued by your mention of * > Yes, APC as object cache can work with WP Super Cache. I’ve done just that > on a few production servers. * Could you share how you set this up? Thanks 🙂 * [Pothi Kalimuthu](https://wordpress.org/support/users/pothi/) * (@pothi) * [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/#post-4096179) * Yes, I could. 🙂 * Once the server is ready with PHP-FPM, APC, etc., please put [this object-cache.php file](http://plugins.svn.wordpress.org/apc/trunk/object-cache.php) in the site’s wp-content directory. This can work independent of WP Super Cache plugin, though. It does **not** even need the following line in wp-config.php file… * `define('WP_CACHE', true);` * Finally, you may remove all the existing transients, so that the new transients are stored in APC. * I hope that helps. * [Rolf Allard van Hagen](https://wordpress.org/support/users/ravanh/) * (@ravanh) * [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/#post-4096207) * Ah, right. Mark’s APC Object Cache Backend plugin. I have tried that before ( indeed in combo with Super Cache) on a multisite setup but subsequently had clients reporting options not being saved. Plus I ended up with such an extremely high fragmentation of the cache that I decided to remove it again… See [http://wordpress.org/support/topic/set_transient-not-working-with-apc-object-cache-backend](http://wordpress.org/support/topic/set_transient-not-working-with-apc-object-cache-backend) and [http://wordpress.org/support/topic/plugin-apc-object-cache-backend-after-installation-transients-stopped-working](http://wordpress.org/support/topic/plugin-apc-object-cache-backend-after-installation-transients-stopped-working) and [http://wordpress.org/support/topic/plugin-apc-object-cache-backend-apc-user-cache-entries-and-wp-super-cache](http://wordpress.org/support/topic/plugin-apc-object-cache-backend-apc-user-cache-entries-and-wp-super-cache) * > Finally, you may remove all the existing transients, so that the new transients > are stored in APC. * This I did not do. Could that be the cause of changing options not taking? * [Pothi Kalimuthu](https://wordpress.org/support/users/pothi/) * (@pothi) * [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/#post-4096212) * It could probably be. * Fragmentation is a real concern, especially on a low end VPS. * [Rolf Allard van Hagen](https://wordpress.org/support/users/ravanh/) * (@ravanh) * [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/#post-4096224) * OK, thanks Pothi, for sharing your insight 🙂 I’ll probably have to upgrade my VPS before trying this again 😉 Viewing 8 replies - 1 through 8 (of 8 total) The topic ‘Will wp-super-cache use Alternative PHP Cache (APC)?’ is closed to new replies. * ![](https://ps.w.org/wp-super-cache/assets/icon-256x256.png?rev=3506220) * [WP Super Cache](https://wordpress.org/plugins/wp-super-cache/) * [Frequently Asked Questions](https://wordpress.org/plugins/wp-super-cache/#faq) * [Support Threads](https://wordpress.org/support/plugin/wp-super-cache/) * [Active Topics](https://wordpress.org/support/plugin/wp-super-cache/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wp-super-cache/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wp-super-cache/reviews/) * 8 replies * 3 participants * Last reply from: [Rolf Allard van Hagen](https://wordpress.org/support/users/ravanh/) * Last activity: [12 years, 9 months ago](https://wordpress.org/support/topic/will-wp-super-cache-use-alternative-php-cache-apc/#post-4096224) * Status: not resolved