Setting up more than one project

So I have one Rails project running on a RedHat ES server.

The mod_fastcgi directive on Apache reads:

FastCgiIpcDir /tmp/fcgi_ipc FastCgiServer /home/project_1/public/dispatch.fcgi \ -initial-env RAILS_ENV=development \ -idle-timeout 60

Do I need to have a separate FastCgiIpcDir directory for each project?

Serge