Description: Resource Manager Metrics are performance indicators that help monitor the health and efficiency of YARN’s Resource Manager. These metrics provide valuable information about resource usage, workload, and the overall state of the system. They include data on CPU utilization, memory, and the number of active containers, among others. By analyzing these metrics, administrators can identify bottlenecks, optimize resource allocation, and improve the performance of applications running on the cluster or across distributed systems. Additionally, metrics allow for tracking system behavior over time, facilitating capacity planning and informed decision-making regarding infrastructure. In a Big Data environment, where efficiency and scalability are crucial, continuous monitoring of these metrics becomes an essential practice to ensure that resources are used optimally and that applications run smoothly.
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