-- maxscale route to master:3000
-- maxscale route to server server1:3000
-- maxscale route to server server2:3001
-- maxscale route to server server3:3002
-- maxscale route to server server4:3003
-- maxscale max_slave_replication_lag = 100: 
-- maxscale max_slave_replication_lag= 100: 
-- maxscale max_slave_replication_lag =100: 
-- maxscale max_slave_replication_lag=100: