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Snooze
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Snooze [25] , [26] , a novel Infrastructure-as-a-Service (IaaS) cloud management system, which is designed to scale across many thousands of servers and virtual machines (VMs) while being easy to configure, highly available, and energy efficient. For scalability, Snooze performs distributed VM management based on a hierarchical architecture. To support ease of configuration and high availability Snooze implements self-configuring and self-healing features. Finally, for energy efficiency, Snooze integrates a holistic energy management approach via VM resource (i.e. CPU, memory, network) utilization monitoring, underload/overload detection and mitigation, VM consolidation (by implementing a modified version of the Sercon algorithm [69] ), and power management to transition idle servers into a power saving mode. Snooze is a highly modular Software. It has been extensively evaluated on the Grid'5000 testbed using realistic applications.
Snooze is fully implemented from scratch in Java and currently comprises approximately 15.000 lines of maintainable abstractions-based code. In order to provide a uniform interface to the underlying hypervisors and support transparent VM monitoring and management, Snooze integrates the libvirt virtualization library. Snooze provides a RESTful command line interface (CLI) to support virtual cluster (VC) definitions and management (i.e., start, shutdown, destroy, suspend, etc.) as well hierarchy visualization and exporting in GraphML format.
- Active contributors (from Myriads team):
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Snooze has been used by students at LIFL, IRIT in France and LBNL in the US in the framework of internships during the summer 2012. It has also been deployed and experimented at EDF R&D. Finally, we know that it was experimented by external users from academia and industry as we received feed-back from them.