Questions tagged [apc]

Alternative PHP Cache - a free and open framework that caches the output of the PHP bytecode compiler in shared memory, thus reducing parsing and disk I/O overhead for later requests; and a shared memory cache for user data.

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270 views

Running code before object-cache.php runs

I want to polyfill some functions before object-cache.php runs. I have PHP7 and APCu installed. However, W3 Total Cache is using apc_* functions, not apcu_* functions. W3 Total Cache's object cache ...
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1answer
1k views

Wordpress performance - W3 Total Cache and memcached/APCu

I have freshly installed Wordpress, Nginx with PHP-FPM, W3 Total Cache (plugin), memcached and APCu on PHP 5.5. I will run a benchmark on my local mac against the aforementioned AWS server using ...
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1answer
34k views

Caching: APC vs APCu vs OPcache

I'm a bit confused and I'd like to know the difference between the APC, APCu, and OPcache. I'm using: WHM VPS Apache 2.4 PHP 5.5 Fastcgi Processor 6 vCores RAM 8 Gio
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14 views

Updating WordPress or plugins causes site issues (due to API, I think)

I have a problem with all of the sites I host on my server. Whenever someone updates WordPress of plugins, I manually have to restart Apache to get things to work properly. Should the update process ...
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1answer
141 views

How to enable Zend Optimiser+ with Batcache

I am using Batcache with APC Object Cache Backend so far. A lot of posts on internet claiming that using Zend Optimizer instead of APC would reduce CPU and memory usage. I could enable Zend ...
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2answers
69 views

How to find out if an wp-admin action edited a file?

I want to create a small plugin to automatically purge the APC opcode cache after specific actions in the Wordpress admin interface. This is necessary if e.g. apc.stat is set to 0, as a change to a ...
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1answer
326 views

Speed up MU Wordpress on Apache VPS?

I have a wordpress multisite 3.6 with 1 main site and 5 subdomains(with mapping domains) I am tried to make it faster, i install the W3 Total Cache plugin i add on my apache the APC 3.1.13 yum ...
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1answer
420 views

Page downloads as file in Chrome

I'm looking to see if I could get pointers in where to look to solve this issue. Issue In Chrome, viewing the blog http://www.bitesizeirishgaelic.com/blog/ in Chrome v21, the page downloads as a ...
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243 views

After having installed APC Object Cache Backend transients stopped working

My understanding is that once you enable the persistent object cache, your transients are no longer stored in wp_options but in the cache. Once I installed Mark Jaquith's APC Object Cache Backend, ...
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1answer
761 views

APC fragmention woes on Apache AWS EC2 Small instance with WordPress and W3TC [closed]

Asked this question at serverfault, and got confirmation that W3TC is most likely causing the issue, but several of my more W3TC/Wordpress specific issues weren't able to be answered. Reposting here ...