How to monitor Hadoop with Datadog

This article provides a comprehensive guide to setting up detailed Hadoop monitoring using the Datadog Agent. It covers installation and configuration of the Agent for various components such as NameNode, DataNodes, MapReduce, YARN, and ZooKeeper. The integration with Datadog allows users to visualize key metrics, set alerts, and create custom dashboards for monitoring their entire data-processing infrastructure. The article also highlights how to verify Hadoop and ZooKeeper status before installation and configure the Agent accordingly.