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Learning Storm by Anand Nalya, Ankit Jain

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Monitoring the Storm cluster using Ganglia

Ganglia is a monitoring tool that is used to collect the metrics of different types of processes that run on a cluster. In most of the applications, Ganglia is used as the centralized monitoring tool to display the metrics of all the processes that run on a cluster. Hence, it is essential that you enable the monitoring of the Storm cluster through Ganglia.

Ganglia has three important components:

  • Gmond: This is a monitoring daemon of Ganglia that collects the metrics of nodes and sends this information to the Gmetad server. To collect the metrics of each Storm node, you will need to install the Gmond daemon on each of them.
  • Gmetad: This gathers the metrics from all the Gmond nodes and stores them in the round-robin ...

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