VSA: An Offline Scheduling Analyzer for Xen Virtual Machine Monitor

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Provided by: University of Warsaw
Topic: Cloud
Format: PDF
Now-a-days, it is an important trend in the system domain to use the software-based virtualization technology to build the execution environments (e.g., the clouds). After introducing the virtualization layer, there exist two schedulers: One in the hypervisor and the other inside the Guest Operating System (GOS). To fully understand the virtualized system and identify the possible reasons for performance problems incurred by the virtualization technology, it is very important for the system administrators and engineers to know the scheduling behavior of the hypervisor, in addition to understanding the scheduler inside the GOS.
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