My server has a high number of requests

My server has a high number of requests
Top 10 most active IP addresses:
5786 /var/www/httpd-logs/xn–80afdb0cbapl.xn–p1ai.access.log:172.68.238.113
2992 /var/www/httpd-logs/xn–80afdb0cbapl.xn–p1ai.access.log:172.68.239.146
2944 /var/www/httpd-logs/xn–80afdb0cbapl.xn–p1ai.access.log:172.68.238.151
2862 /var/www/httpd-logs/xn–80afdb0cbapl.xn–p1ai.access.log:172.68.238.145
2853 /var/www/httpd-logs/xn–80afdb0cbapl.xn–p1ai.access.log:172.68.239.200
2838 /var/www/httpd-logs/xn–80afdb0cbapl.xn–p1ai.access.log:172.68.238.235
2710 /var/www/httpd-logs/xn–80afdb0cbapl.xn–p1ai.access.log:172.68.238.131
1112 /var/www/httpd-logs/xn–80afdb0cbapl.xn–p1ai.access.log:162.158.183.134
779 /var/www/httpd-logs/ujut-v-dome.ru.access.log:172.70.34.151
645 /var/www/httpd-logs/xn–80afdb0cbapl.xn–p1ai.access.log:172.69.194.43

In this regard, sites take a very long time to load.
Can this problem be solved? Could this be a DDOS attack?

That doesn’t look like a DDoS attack. It just looks like a lot of hits coming through Cloudflare, but your server is not restoring Visitor IP addresses.