[support] CPU usage

[Daniel Carrera]

It's not that they "take the site down", it's that Drupal really just 
dies when APC is installed. I forget what the error was. It was back in 
January when we tried APC and Drupal stopped working.

Steve Power wrote:
> apc is a particularly easy install, and practically zero config (well, 
> six lines) with a potentially enormous performance increase.  Its worth 
> trying again if your hosting company is willing to work through the 
> problem with you.   Another way of looking at it could be that if your 
> hosting company cant configure apc without taking the site down, then 
> perhaps a new host is in order.
> 
> steev
> 
> On Wed, May 13, 2009 at 2:15 PM, Daniel Carrera 
> <daniel.carrera at theingots.org <mailto:daniel.carrera at theingots.org>> wrote:
> 
>     I once asked the web host to install the APC cache and my Drupal
>     site stopped working entirely :-(  I can't afford to have the site
>     go down at this time. This is the end of the school year, which is
>     the most important time for us.
> 
>     I'm really interested in that Boost module that Hans pointed out.
>     I'm just trying to learn more about it right now.
> 
>     Daniel.
> 
>     Steve Power wrote:
> 
>         You could try installing apc cache which will reduce the amount
>         of cpu time spent rendering php files, which should have an
>         impact on cpu.  if you have enough RAM.
> 
>         steev
> 
>         On Wed, May 13, 2009 at 1:31 PM, KOBA | Hans Rossel
>         <hans.rossel at koba.be <mailto:hans.rossel at koba.be>
>         <mailto:hans.rossel at koba.be <mailto:hans.rossel at koba.be>>> wrote:
> 
>            http://drupal.org/project/admin_menu
> 
>            it gives you a dropdown menu on top with the ratio, but its
>         actually
>            not really neccesary because its again an extra module and you
>            probably need less modules. The core "Who's online" block should
>            give you the same data, enable it and make it visibly only
>         for your
>            role (make an admin role for yourself if you would not have done
>            this yet).
> 
>            Hans
> 
> 
> 
>                    The building of the cache takes a bit of time and
>         consumes
>                    CPU also of course. It also all depends whats your
>         ratio of
>                    logged in and anonymous users (you can see this easily in
>                    admin menu). If your problem with CPU comes from a lot of
>                    logged in users
> 
> 
>                Where can I find this ratio? The best I've found is the
>         list of
>                top visitors in the past 3 days. It looks like anonymous
>                visitors dominate.
> 
> 
> 
> 
> 
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> 
>         -- 
>         -- 
>         --
>         Steve Power
>         Principal Consultant
>         Mobile: +44 (0) 7747 027 243
>         Initsix Technology and Media
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> -- 
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> --
> Steve Power
> Principal Consultant
> Mobile: +44 (0) 7747 027 243
> Initsix Technology and Media
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