The uresourced tool is a daemon that will give resource allocations to active graphical users.
You can enable easy with systemctl command:
[root@desk mythcat]# systemctl status uresourced
○ uresourced.service - User resource assignment daemon
Loaded: loaded (/usr/lib/systemd/system/uresourced.service; disabled; vend>
Active: inactive (dead)
[root@desk mythcat]# systemctl enable uresourced
Created symlink /etc/systemd/system/user@.service.wants/uresourced.service →
/usr/lib/systemd/system/uresourced.service.
[root@desk mythcat]# systemctl start uresourced
[root@desk mythcat]# systemctl status uresourced
● uresourced.service - User resource assignment daemon
...