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Thursday, November 14, 2013

PHP Worning/ Memory Problem in Web Server


Problem: 
PHP Warning: require_once(): 
Unable to allocate memory for pool

Solution:
running Apache 2.2.15 + PHP 5.3.3 + APC php-pecl-apc-3.1.9 on CentOS / RHEL 6.4.

# vi /etc/php.d/apc.ini
; increased to 128M from 64M
apc.shm_size=128M
Don’t forget reboot the apache to apply changes:

# service httpd restart
If you would like to find out your APC memory usage and hit ratio:

# cp /usr/share/php-pecl-apc/apc.php /var/www/html
Edit /var/www/html/apc.php and set the admin password :
defaults('ADMIN_PASSWORD','NEW-PASSWORD');
Save and close the file. Fire a web-browser and type the url:
http://your-server-ip/apc.php





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