You can update certain parameters in your MariaDB service configuration by using the viocli update mariadb command.

Configuration options example using viocli update mariadb .
conf:
  connect_timeout: 5
  max_connections: 5000
  net_read_timeout: 1200
  net_write_timeout: 1200
  ingress:
    proxy-read-timeout: "1200"
    proxy-send-timeout: "1200"
    proxy-stream-timeout: 3600s

max_connections

This option determines the number of connections the mysql/mariadb accepts.

net_read_timeout

Enter the number of connections to wait for more data from a connection before aborting the read.

net_write_timeout

Enter the number of seconds to wait for more data from a connection before aborting the read.