OpenDHT: a public DHT service and its uses
Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications
Proper: privileged operations in a virtualised system environment
ATEC '05 Proceedings of the annual conference on USENIX Annual Technical Conference
Reliability and security in the CoDeeN content distribution network
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CLOUD '09 Proceedings of the 2009 ICSE Workshop on Software Engineering Challenges of Cloud Computing
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PAM'08 Proceedings of the 9th international conference on Passive and active network measurement
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Proceedings of the 32nd ACM/IEEE International Conference on Software Engineering - Volume 2
Rhizoma: a runtime for self-deploying, self-managing overlays
Middleware'09 Proceedings of the ACM/IFIP/USENIX 10th international conference on Middleware
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HotCloud'09 Proceedings of the 2009 conference on Hot topics in cloud computing
HotDep'08 Proceedings of the Fourth conference on Hot topics in system dependability
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HotDep'08 Proceedings of the Fourth conference on Hot topics in system dependability
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OSDI'08 Proceedings of the 8th USENIX conference on Operating systems design and implementation
StrobeLight: lightweight availability mapping and anomaly detection
USENIX'09 Proceedings of the 2009 conference on USENIX Annual technical conference
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FIS'10 Proceedings of the Third future internet conference on Future internet
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NSDI'07 Proceedings of the 4th USENIX conference on Networked systems design & implementation
Modeling resource usage in planetary-scale shared infrastructures: PlanetLab's case study
Computer Networks: The International Journal of Computer and Telecommunications Networking
Distributed application configuration, management, and visualization with plush
ACM Transactions on Internet Technology (TOIT)
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ICA3PP'11 Proceedings of the 11th international conference on Algorithms and architectures for parallel processing - Volume Part I
Queuing network of scale free topology: on modelling large scale network
The Journal of Supercomputing
Using metadata to improve experiment reliability in shared environments
TMA'12 Proceedings of the 4th international conference on Traffic Monitoring and Analysis
Concurrency and Computation: Practice & Experience
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ESOCC'12 Proceedings of the First European conference on Service-Oriented and Cloud Computing
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SERENE'12 Proceedings of the 4th international conference on Software Engineering for Resilient Systems
Fmeter: extracting indexable low-level system signatures by counting kernel function calls
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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. Furthermore, users can easily observe many properties of all of the experiments running across multiple PlanetLab nodes, facilitating not only their own experiment monitoring and debugging, but also helping scale the task of finding PlanetLab problems.In this paper we describe CoMon's design and operation, including what kinds of data are gathered, the scale of the processing involved, and the approaches we have taken to keep CoMon running. Our goal is not only to illustrate the kinds of problems faced in this environment, but also to invite others to participate, either by experimenting with the data generated by CoMon, or by building on the CoMon system itself.