HBase node management
In this section, we will discuss adding (commissioning) and removing (decommissioning) nodes from an HBase cluster.
Commissioning
Let's discuss the commissioning of nodes in an HBase cluster.
Prepare the machine, check the permissions twice, and check the connectivity, host entry, and host resolution. Once done and twice checked, copy the configuration file following the same path structure at the new machine, and start RegionServer using the following command:
hbase-daemon.sh start regionserver
Once this command is executed, RegionServer will automatically register with HMaster and start receiving local data. At the beginning, the newly added node will not have any data, and if balancer is not disabled, it will start moving ...
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