Starting, Stopping, and Restarting Role Instances
- Go to the service that contains the role instances to start, stop, or restart.
- Click the Instances tab.
- Check the checkboxes next to the role instances to start, stop, or restart (such as a DataNode instance).
- Select , Stop, or Restart, and then click Start, Stop, or Restart again to start the process. When you see a Finished status, the process has finished.