Redmine Performance

• Apache prefork + Passenger

• 40 rps, decreased with more concurrent reqs
• CPU bound

• Nginx + Passenger

• 8617 rps @ 150 concurrent, 5593 rps @ 200
• ~275 MB RSS, only a few MB for nginx

• Lighttpd + FastCGI

• ~35 rps, concurrency had no measurable effect
• ~151 MB RSS, only 2 MB RSS for lighttpd