APCu¶
Version Check¶
You can check the version of APCu installed with the command:
~]# rpm -qa | grep -i apcu
php-pecl-apcu-5.1.17-1.el7.remi.7.2.x86_64
Module Check¶
You can confirm the module has been loaded:
~]# php -m | grep -i APCu
apcu
Flush APCu¶
Service Reload¶
You can flush APCu with a reload of the PHP-FPM service, always run a configuration test before reloading
~]# php-fpm -t
[19-Aug-2019 08:48:54] NOTICE: configuration file /etc/php-fpm.conf test is successful
~]# systemctl reload php-fpm
PHP Function¶
You can also clear APCu using the PHP function:
<?php
if (extension_loaded('apcu')) {
echo "APCu cache: " . apcu_clear_cache() . "\n";
}
?>
APCu settings¶
We use the following sed to change the default settings of APCu on our Shopware stacks:
sed -i 's/;apc.shm_size=32M/apc.shm_size=512M/g' /etc/php.d/*apcu.ini