source : http://pecl.php.net/package/APC
reference site : http://www.electrictoolbox.com/install-apc-php-linux/
case : amazon linux ami
yum install php-devel php-pecl gcc wget http://pecl.php.net/get/APC-3.1.9.tgz tar xvfj APC-3.1.9.tgz cd APC-3.1.9 phpize ./configure make sudo make install sudo vi /etc/php.d/apc.ini extension="apc.so" apc.enabled=1 # default = 1 apc.shm_segments=1 # default = 1 apc.shm_size=128 # default = 30 apc.ttl=7200 # default = 0 apc.user_ttl=7200 # default = 0 apc.num_files_hint=1024 # default = 1000 apc.mmap_file_mask=/tmp/apc.XXXXXX # default = no value apc.enable_cli=1 # default = 0