gitea-pages/admin-guide/configuration/basic/sysctl.md

sysctl

You may change individual sysctl values in Hiera with the hash sysctl::values:

sysctl::values:
  net.ipv4.tcp_slow_start_after_idle:
    value: '0' 
  net.core.rmem_max:
    value: '83886080'
  net.core.wmem_max:
    value: '83886080'

https://www.kernel.org/doc/Documentation/sysctl/
https://www.kernel.org/doc/Documentation/networking/