oo slow (a pi?)
// set this to false
NETDATA.options.current.parallel_refresher = true;

// always update the charts, even if focus is lost
// NETDATA.options.current.stop_updates_when_focus_is_lost = false;

// Since you may render charts from many servers and any of them may
// become offline for some time, the charts will break.
// This will reload the page every RELOAD_EVERY minutes

var RELOAD_EVERY = 5;
setTimeout(function(){
    location.reload();
}, RELOAD_EVERY * 60 * 1000);

</script>
<body>

<div