Decommission a NodeManager

Use Ambari Web > Hosts > Actions to decommission a NodeManager component.

1. Using Ambari Web, browse the Hosts page.
2. Find and click the FQDN of the host on which the NodeManager component resides.
3. Using the Actions menu, click Selected Hosts > NodeManagers > Decommission.
   
   
   
   The UI shows Decommissioning status while in process.

When this NodeManager decommissioning process is finished, the Action option shows Recommission.