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APC, Magento and FastCGI

Discussion in 'General Discussion' started by thebo0, Oct 10, 2012.

  1. thebo0

    thebo0 Registered

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    I have an out-standing ticket with cPanel support for this issue, but thought I would seek the views of the community whilst waiting for a response.

    ---

    I'm trying to install and configure APC, in order to speed up a Magento shop.

    I've installed the relevant extensions and APC is showing when I run "phpinfo()". However my pages are not being cached as required.

    I've been told that I should run PHP with FastCGI (?). However when I go to "Service Configuration > Apache Configuration > PHP and SuExec" there are no options within the drop-down boxes. I've uploaded a screen-shot to further demonstrate my problem: http://oi46.tinypic.com/inhimb.jpg

    Any help would be greatly appreciated.
     
    #1 thebo0, Oct 10, 2012
  2. cPanelMichael

    cPanelMichael Technical Support Community Manager
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    Hello :)

    Could you post the ticket number so we can review the ticket and update this thread with the solution?

    Thank you.
     
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    #2 cPanelMichael, Oct 10, 2012
  3. LeadDogGraphics

    LeadDogGraphics Well-Known Member

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    WHM does not support FastCGI by default. You only get FCGI, which is similar but NOT the same. Google has a giant list of blog articles all over about the differences. APC is best used with mod_ruid2 on WHM at this point, but be aware of the security concerns by using that setup.
     
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    #3 LeadDogGraphics, Oct 11, 2012
  4. ddeo

    ddeo Active Member

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    Is mod_ruid2 part of WHM? Is it better than DSO?

    Thanks for your help. Dan
     
    #4 ddeo, Feb 1, 2013
  5. LeadDogGraphics

    LeadDogGraphics Well-Known Member

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    mod_ruid2 is part of WHM, you have to disable any Apache MPM's for it to show up in Easy Apache.

    There is a much better explanation than this somewhere, and I am sure someone can help me out here, but the basic idea is:
    It is DSO, but it allows the Apache thread to dynamically change user to not run into permission issues. It works great for WordPress.

    - - - Updated - - -

    Also, if you try to use APC with FCGI, your temp file will blow up like a balloon and each process of apache will have it's own cache, which is not effective. There are a few tweaks and adjustments to tame the beast but it's not worth it.
     
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    #5 LeadDogGraphics, Feb 1, 2013
  6. cPanelJared

    cPanelJared Technical Analyst

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    mod_ruid2 is not "part of WHM". It is an Apache httpd module. Apache httpd is separate from cPanel services, including the Webhost Manager. cPanel builds and configures Apache httpd, but they are not the same service and not directly related.

    You can read about mod_ruid2 and how cPanel implements it here:

    The mod_ruid2 Module
     
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    #6 cPanelJared, Feb 6, 2013
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