```
  [backend]
     enabled = yes
     data source = average
     type = opentsdb
     destination = tcp:192.168.1.218:4242
     prefix = netdata
     hostname = k8s-head
     update every = 10
     buffer on failures = 10
     timeout ms = 20000
     # send names instead of ids = yes
     # send charts matching = *
     # send hosts matching = *
```