Is there any tutorial for version 7 about recommending settings etc ? github has nothing about setting.
No tutorial. Basically is the same.
This forum using server with options:
1. Using hiawatha-proxy
2. install xcache, apc or opcache for php
3. install mod-pagespeed for apache
4. install/enable cache plugin for forum applicatian (aka SMF)
5. create web address/domain under certain client and then adjustment 'fastcgi children'
6. select 'medium' in 'apache optimize'
7. select 'php-fpm_event' in 'php-type'