2. Architecture

The Ambari Server serves as the collection point for data from across your cluster. Each host has a copy of the Ambari Agent - either installed automatically by the Install wizard or manually - which allows the Ambari Server to control each host. In addition, each host has a copy of Ganglia Monitor (gmond), which collects metric information that is passed to the Ganglia Connector, and then on to the Ambari Server.


Figure 1.1. Architectural Overview

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