Fedora vs CentOS -- php/apache and Drupal 7

[Roger]

On 04/21/2013 05:01 AM, Craig White wrote:
>> There you have it. Complex and puzzling.
> ----
> problem #1 seems like it would occur on any server that is bound by
> memory limits insufficient for the application and extensions you are
> using. If your cloud server doesn't have enough memory, buy more memory
> so that you can give it 256M. Likewise on F18.
>
> problem #2 sounds like the known Chrome 'pre-fetch' issue that has come
> up lately (you can Google it). Google is aware of the problem and is
> working on a solution if that is the case. Are you aware of which
> browser causes this problem?  Is it Chrome?
>
> Craig
>
Thanks Craig
Seems to be both Firefox and Chrome, and most puzzling is that it's 
happening on Fedora 16 also which has no updates for months.
Roger