Adjust mmap and FD count for net scripts (#31728)

Adjust mmap and fd count for net scripts

net/scripts/network-config.sh

@@ -10,6 +10,12 @@ sudo sysctl -w net.core.rmem_max=134217728
 sudo sysctl -w net.core.wmem_default=134217728
 sudo sysctl -w net.core.wmem_max=134217728
 
+# Increase memory mapped files limit
+sudo sysctl -w vm.max_map_count=1000000
+
+# Increase number of allowed open file descriptors
+echo "* - nofile 1000000" | sudo tee -a /etc/security/limits.conf
+
 echo "MaxAuthTries 60" | sudo tee -a /etc/ssh/sshd_config
 sudo service sshd restart
 sudo systemctl restart sshd