Node Manager Restart
Enable NodeManager restart if you want active containers to keep running in the event that the NodeManger shuts down. By default, NodeManager restart is not enabled.
When the NodeManager restart is enabled, it stores the container state of active containers in a recovery directory;when the NodeManager restarts, it retrieves the container state from the recovery directory.
If you do not enable NodeManager restart, active containers are shut down when the NodeManager shuts down and containers need to be reallocated when the NodeManager starts again.
You can perform the following procedure to configure NodeManager restart: