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Beskrivelse
Written 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.Learn 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. Youll also examine real-world case studies of Ganglia installs that feature challenging monitoring requirements.Determine whether Ganglia is a good fit for your environmentLearn how Ganglias gmond and gmetad daemons build a metric collection overlayPlan for scalability early in your Ganglia deployment, with valuable tips and adviceTake data visualization to a new level with gweb, Ganglias web frontendWrite plugins to extend gmonds metric-collection capabilityTroubleshoot issues you may encounter with a Ganglia installationIntegrate Ganglia with the sFlow and Nagios monitoring systemsContributors include: Robert Alexander, Jeff Buchbinder, Frederiko Costa, Alex Dean, Dave Josephsen, Peter Phaal, and Daniel Pocock. Case study writers include: John Allspaw, Ramon Bastiaans, Adam Compton, Andrew Dibble, and Jonah Horowitz.