Joomla Apache Logs Problem

Joomla Apache Logs Problem
Joomla apache logs is full, which causes the server to go down.

Something about the system size being 225 gigs and 225 of that was used which causes the server to go down.

PHP problem.

stacking all the logs in the server.

Need to fix so site does not go down.

Please reply with how you can fix it and how long it will take and cost.