Install PHP APC Cache on CentOS 7 using yum
To install APC cache on CentOS 7, run
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yum install php-pecl-apcu |
After that, you need to restart the Apache webserver.
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systemctl restart httpd |
in phpinfo() page, you will see
Files in the packages are
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[root@localhost ~]# rpm -q --filesbypkg php-pecl-apcu php-pecl-apcu /etc/php-zts.d/40-apcu.ini php-pecl-apcu /etc/php.d/40-apcu.ini php-pecl-apcu /usr/lib64/php-zts/modules/apcu.so php-pecl-apcu /usr/lib64/php/modules/apcu.so php-pecl-apcu /usr/share/doc/pecl/apcu php-pecl-apcu /usr/share/doc/pecl/apcu/NOTICE php-pecl-apcu /usr/share/doc/pecl/apcu/README.md php-pecl-apcu /usr/share/doc/pecl/apcu/TECHNOTES.txt php-pecl-apcu /usr/share/licenses/php-pecl-apcu-5.1.21 php-pecl-apcu /usr/share/licenses/php-pecl-apcu-5.1.21/LICENSE php-pecl-apcu /var/lib/pear/pkgxml/php-pecl-apcu.xml [root@localhost ~]# |
Config file located at
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/etc/php.d/40-apcu.ini |
Some configuration settings
apc.shm_size – default is 64M, it is better increase this value to 128M
apc.stat – default 1, set it to 0 to increase performance. Setting it to 0 means APC won’t look for code change. When you change code, you will need to restart web server.
apc.num_files_hint – Tell APC how many PHP files it needs to cache. Set it to 10000