Less than 1 week –
Less than 10 hrs/week –
Recently we upgraded our VPS software from:
Apache 2.2.26 to 2.4.10
Mysql 5.1 to 5.6.22
PHP 5.4.25 to 5.5.20
Since the update our average server load has increased 2x-3x (mean of 0.9 to 1.4 most days) with the same number of sites and amount of traffic.
We're still using cloudflare CDN and W3 total cache on most wordpress sites, mod_expires, mod_deflate, and other modules are ...