Heartbeat is configured to switch over to the backup node if the master node happens to go down.
Heartbeat的配置是当主节点偶然宕机时切换到备份节点。
You can launch in hosted mode once again, but you'll need to switch over to GWT's Web mode for testing your new page.
您可以再次以托管模式启动，但是您需要再次切换到GWT的Web模式以测试新页面。
If everything goes right, the simulator should pop up (it may, in fact, hide behind your MonoDevelop window, so you might have to switch over to it), and you should see the following.
如果一切正常，模拟器会显示出来(实际上，它有可能隐藏在MonoDevelop窗口的背后，所以你需要切换过去)，那么你就能看到如下所示的效果。
If everything goes right, the simulator should pop up (it may, in fact, hide behind your MonoDevelop window, so you might have to switch over to it), and you should see the following.
如果一切正常，模拟器会显示出来(实际上，它有可能隐藏在MonoDevelop窗口的背后，所以你需要切换过去)，那么你就能看到如下所示的效果。
应用推荐