The Ganglia open source project is a scalable distributed system designed to monitor clusters and grids while minimizing the impact on their performance. When you enable Ganglia on your cluster, you can generate reports and view the performance of the cluster as a whole, as well as inspect the performance of individual node instances.
For more information about the Ganglia open source project, go to http://ganglia.info/. For more information about using Ganglia with Amazon EMR clusters, see the Monitor Performance with Ganglia recipe.
You configure Ganglia for HBase using the
configure-hbase-for-ganglia bootstrap action. This bootstrap action configures HBase to publish metrics to Ganglia.
You must configure HBase ...