pWritten by Ganglia designers and maintainers, this book shows you how to collect and visualize metrics from clusters, grids, and cloud infrastructures at any scale. Want to track CPU utilization from 50,000 hosts every ten seconds Ganglia is just the tool you need, once you know how its main components work together. This hands-on book helps experienced system administrators take advantage of Ganglia 3.x. pLearn how to extend the base set of metrics you collect, fetch current values, see aggregate views of metrics, and observe time-series trends in your data. You'll also examine real-world case studies of Ganglia installs that feature challenging monitoring requirements. ul liDetermine whether Ganglia is a good fit for your environment liLearn how Ganglia's gmond and gmetad daemons build a metric collection overlay liPlan for scalability early in your Ganglia deployment, with valuable tips and advice liTake data visualization to a new level with gweb, Ganglia's web frontend liWrite pl