rspamd/centos/sources/rspamd.logrotate.systemd

/var/log/rspamd/*log {
    daily
    rotate 10
    missingok
    notifempty
    compress
    sharedscripts
    postrotate
        export `systemctl -p MainPID show rspamd.service`; if [ -n "$MainPID" ]; then kill -USR1 $MainPID; fi
    endscript
}