start one worker process per core
start one worker process per core

Many people are confused by this default setting. The default of one
core is often a bottleneck. I would like to switch the default to the
amount of cores. The auto option is also recommended upstream:
https://www.nginx.com/blog/tuning-nginx/

icann-dns/puppet-nginx,voxpupuli/puppet-nginx,jfryman/puppet-nginx,icann-dns/puppet-nginx,hbog/puppet-nginx,raphink/puppet-nginx,voxpupuli/puppet-nginx,jfryman/puppet-nginx,hbog/puppet-nginx