Migrating ResourceManager to another host

You can move the YARN ResourceManager role from one host to another using Cloudera Manager.

Cloudera recommends to enable RecourceManager High Availability.

  1. In Cloudera Manager, select the YARN service.
  2. Click Instance.
  3. Find the ResourceManager role that you want to migrate to a new host and select it.
  4. Select Actions for Selected > Stop.
  5. Select Actions for Selected > Delete.
  6. Click Add Role Instances.
  7. Use the dropdown menu under ResourceManager to select a hosts for the new ResourceManager role.
  8. Click Continue and then click Finish.
  9. Select the newly created ResourceManager role.
  10. Select Actions for Selected > Start and click Start.
  11. Restart the YARN service.
The ResourceManager role now run on a new host.