@RequestMapping("monitor/tasktracker-monitor")
    public String taskTrackerMonitor(Model model) {

        initTimeRange(model);

        List<NodeGroupPo> nodeGroups = appContext.getNodeGroupStore().getNodeGroup(NodeType.TASK_TRACKER);
        List<NodeInfo> nodeInfos = appContext.getBackendTaskTrackerMAccess().getTaskTrackers();
        setGroupIdMap(model, nodeGroups, nodeInfos);

        return "monitor/tasktrackerMonitor";
    }
@author Robert HG (254963746@qq.com) on 8/22/15.
lts-admin/src/main/java/com/github/ltsopensource/admin/web/view/MonitorView.java