$res = $db->query('SELECT s.id, s.escala * s.procesos AS ponderacion
FROM yatta.servidores AS s
ORDER BY ponderacion ASC, s.escala DESC');
$res = $db->query('SELECT s.id, s.escala * s.procesos AS ponderacion
FROM yatta.servidores AS s
ORDER BY ponderacion ASC, s.escala DESC');