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  • WPO & GoDaddy: How to configure W3 Total Cache and APC

    by on January 9, 2013 No Comments

    APC is an opcode cache used by many sites to improve application performance. PHP is an interpreted language, and the scripts (such as the ones that comprise your WordPress site) are loaded, parsed, compiled into an opcode, and executed when called. This process can use an inordinate amount of resources on a busy site, especially one without caching, so we need to do what we can to optimize this process.

    While installing APC on a dedicated server or VPS is a straightforward process, this post (the first in a series of Web Performance Optimization (WPO) posts for GoDaddy) outlines how to enable it on your GoDaddy shared web hosting account:

    1. Log into your GoDaddy account and navigate to your hosting dashboard
    2. Go to Tools > FTP File Manager
    3. Locate the php5.ini file and make a copy by clicking the checkbox, clicking on the “html” directory on the left, and entering php5.ini.backup.txt as the file name
    4. Look for a line mentioning apc.shm_size and if one doesn’t exist, add this: apc.shm_size = 64M
    5. Make sure lines beginning with zend_optimizer and zend_extension are preceded by a semicolon
    6. Save the file and then click the X in the top-right corner

    And now we need to restart PHP:

    1. Navigate to your hosting dashboard again
    2. Click the “Launch” button that corresponds with the hosting account in question
    3. Under “Stats & Monitors” click “System Processes”
    4. Click “End Web” in the top
    5. This will restart the PHP process on your account and you should now be able to cache against APC in W3 Total Cache

    Note that the optimal configuration depends on available memory, your theme, active plugins, and other factors. If you’d like help unlocking your site’s performance potential, place your order here and we’ll implement these best practices for you.

    And if you’d like to be updated when products are updated or announced, be sure to sign up here.

This entry was posted on Wednesday, January 9th, 2013 at 11:41 pm and is filed under W3 Total Cache, Web Hosting, WordPress. You can follow any responses to this entry through the RSS 2.0 feed.

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