In a previous post I had some instructions for building PHP 5.3 on 64-bit CentOS 5. Turns out the caching extension listed there, eAccelerator, didn’t show a marked performance benefit in our benchmark testing. So instead I decided to play with APC, one of the competitors. Getting this installed was a bit tricky though (e.g., compiling statically errors out), so follow these steps:
# First build PHP as usual, since we'll be installing this as a shared extension # Then try to get rid of any leftover header files yum remove php-devel # Symlink your "real" php include directory mv /usr/local/include/php /usr/local/include/php-previous-version cd /usr/local/include ln –s /path/to/new/php/source/dir php # only the beta version of APC works on PHP 5.3; see http://pecl.php.net/bugs/bug.php?id=16078 pecl install apc-beta mv /usr/local/lib/php/extensions/no-debug-non-zts-20060613/apc.so /usr/lib/php/modules # copy the APC dashboard script to your webroot cp /usr/local/lib/php/apc.php /path/to/your/webroot # Add the extension in a new file /etc/php.d/apc.ini ; Enable apc extension module extension=apc.so apc.enable = 1
Bounce apache and then go to yourdomain.com/apc.php to see the status.
Enjoy.
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