My host has informed me that my multisite is consuming extremely high CPU.
The site itself only receives 1000-2000 page views per day so is really minimal. There are 18 individual network sites created.
It is a 3.4GHz x 8 core CPU on a VPS but running TOP is coming out consistently with PHP processes at around 50-60%, even up to 80%.
What's more is that I'm already using MaxCDN as well as having WP Total Cache fully configured.
I've been through and removed all plugins as well as optimized the database but no change.
My host has upgraded me to the latest version of php5.4 as well as also trying it on FastCGI but also no improvement.
I don't know what more I can do. Any ideas please?