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Performability control of IT systems still lacks theoretically well-founded approaches that fit well to enterprise system management solutions. We propose a methodology for designing compact qualitative, state-based predictive performability control that use instrumentation provided by typical system monitoring frameworks. We identify the main systemic insufficiencies of current monitoring tools that...
To ensure Quality of Service (QoS) for data centers, it is critical to enforce a fair share of storage resources between competing users. Interposed schedulers are one of the most practical methods for performance isolation. Most fair queuing-based proportional sharing algorithms for existing interposed scheduler are variants of counterparts designed for network routers and may result in breaking...
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