10gbps streaming server under proxmox?

yes is working without reboot ;)

sysctl net.ipv4.tcp_congestion_control

net.ipv4.tcp_congestion_control = bbr

my conf
Code:
#
net.core.wmem_max = 16777216
net.ipv4.tcp_wmem = 4096 4194394 16777216
net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr

Cool. Read the explanation from google and decide if it suits your work case :)