Networking

CoMon: A Mostly-Scalable Monitoring System for PlanetLab

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Executive Summary

CoMon is an evolving, mostly-scalable monitoring system for PlanetLab that has the goal of presenting environment tailored information for both the administrators and users of the PlanetLab global testbed. In addition to passively reporting metrics provided by the operating system, CoMon also actively gathers a number of metrics useful for developers of networked systems. Using CoMon, PlanetLab administrators and users can easily spot problematic machines, where the problem may arise from the machine itself, local configuration/ environment problems, or the workload running on the machine.

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