Prepare for master hostname changes
In this step, you need to identify a down-time window, and note the UUID and the RPC address of each master.
- Establish a maintenance window during which the Kudu cluster will be unavailable. One hour should be sufficient.
- On the Masters page in Kudu Web UI, note the UUID and RPC address of each master.
- Stop all the Kudu processes in the cluster.
- Set up the new hostnames to point to the masters and verify all servers and clients properly resolve them.