idflorin i can easly answer this...
there's people comparing Apache, Nginx, and OLS and the result shown that OLS greatly better than booth apache and nginx,
Apache:
250 users in 30 seconds: Average response 399ms (12.8% error rate) https://prnt.sc/tmvhml
500 users in 30 seconds: Average response 320ms (36.0% error rate) https://prnt.sc/tmvhqv
1000 users in 30 seconds: Average response 378ms (0.0% error rate) https://prnt.sc/tmvhzb
1000 users in 15 seconds: Average response 1442ms (1.6% error rate) https://prnt.sc/tmvhd8
5000 users in 30 seconds: Average response 8142ms (60.1% error rate) https://prnt.sc/tmvi3t
Can´t more test, limit exceed, 8GB ram full, processor 100%, load 100% and running blocked...
Nginx
1000 users in 30 seconds: Average response 223ms (0.0% error rate) https://prnt.sc/tn3j1k (load is 60-70% CPU)
1000 users in 15 seconds: Average response 1479ms (0.0% error rate) https://prnt.sc/tn3g6l (load is full https://prnt.sc/tn3hu0)
2000 users in 30 seconds: Average response 1340ms (0.0% error rate) https://prnt.sc/tn3m7t (full load 100% https://prnt.sc/tn3mzh)
5000 users in 30 seconds: Error - stopped test, 60%+ error rate, unusable.
OpenLiteSpeed:
5000 users in 30 seconds: Average response 142ms (0.0% error rate) https://prnt.sc/tmvirv
10000 users in 30 seconds: Average response 138ms (0.1% error rate) https://prnt.sc/tmviw2
10000 users in 15 seconds: Average response 153ms (0.1% error rate) https://prnt.sc/tmvia2
10000 users in 15 seconds: Average response 155ms (0.1% error rate) - retest https://prnt.sc/tmvinl
With 10000 users load: https://prnt.sc/tmvcwg
from what you see on this forum?
a lot of people that even doesn't use this forum also using booth apache, and ols,
and yeah, because OLS nearly same with apache, so when using OLS, we almost done nothing to change some config. but if it came to Nginx, that change, we should change some major setting because apache and nginx have a big different