Map conf = UIUtils.readUiConfig();
if(clusterName != null && !(clusterName.equals(""))) {
UIUtils.getClusterInfoByName(conf, clusterName);
}
client = NimbusClient.getConfiguredClient(conf);
SupervisorWorkers supervisorWorkers = client.getClient()
.getSupervisorWorkers(host);
ssumm = new ArrayList<SupervisorSumm>();
SupervisorSumm supervSumm = new SupervisorSumm(supervisorWorkers.get_supervisor());
ssumm.add(supervSumm);
ip = supervSumm.getIp();
generateWorkerSum(supervisorWorkers.get_workers());
getTopoList();
getTopoMetrList(client);
getWorkerMetrData();
} catch (Exception e) {