Health Checks for Clusters

This section explains the various health checks configured for the clusters.

Cluster HDFS Disk Utilization

This alert checks the free space allotted to HDFS and sends an alert if the free space is lower than a configurable limit.

Node Disk Utilization

This alert checks the free space allotted to HDFS on each node of the cluster and sends an alert if the free space is lower than a configurable limit.

Simple Hadoop Job Probe

This alert probes a simple end-to-end hadoop job in the cluster to check the overall health of the cluster.