Besides the health of the HBase-related daemons and their logs, what you might want to monitor is the overview of the current status of the cluster. This status basically includes:
hbckresult showing whether the HBase tables are consistent
fsckresult showing whether HDFS is healthy
In this recipe, we will create a
check_hbase Nagios plugin to perform the task of monitoring. We will install our
check_hbase plugin on the master node of the cluster, and remotely execute it with Nagios from the monitor server using the NRPE Nagios plugin.
We assume that you have installed and configured the Nagios NRPE plugin on your monitor and master server. ...