I am excellent in linux and windows server with application like Apache, MySQL and mysql optimization, i have just started on elance and have 5 year experience in the linux server support. Now i have just started as a freelancer on difference sites like elance and their i will show you feed backup of clients also .On you environment I will starts from monitoring of your server means mysql process , which process is taking time may be their is slow log query problem or we need to setup some parameter like below. Please discuss with me, i will give you full suggestion and also work with your confirmation.