Urgent help on servers needed

Closed - This job posting has been filled and work has been completed.

Job Description

We are right now experiencing that our servers are very very extremly slow.
we have 4 servers.

main file
main cache varnish
main db
mainfrontend

something need to probably be reloaded or restarted. put if you contact us you should be a extrem server guru and extremly experienced in following:
centos apache varnish mysql