Adding nodes to the cluster

One of the most important HBase features is that it is extremely scalable. HBase lineally scales out by adding nodes to the cluster. It is easy to start at a small cluster and scale it out when your service and data grows. Adding a region server to an HBase cluster would be an important maintenance task for administrators.

An HBase cluster can only have one active master node. However, we can add a backup master node to the cluster to make the HBase master highly available (HA) .

In this recipe, we will describe how to add a backup master node to an HBase cluster. We will also describe adding region servers to a cluster after that.

Getting ready

Download and install HBase on the new master or region server first. Make ...

Get HBase Administration Cookbook now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.