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Recently, industry has begun investigating and moving towards utility computing, where computational resources (processing, memory and I/O) are availably on demand at a market cost. On-demand access to computational resources enables fine-grained resource allocation for web-based applications, e.g., the possibility of provisioning for a minimum workload while allowing the rental of additional resources...
This paper consider the situation where compute time can be purchased for the database machine of a simple online bookstore, which we model using the standardized TPC-W benchmark. A service level agreement (SLA) defines the value of the system, using throughput, response time, and expected response time as metrics. The autonomous agent must weigh the potential gain (or loss) in value defined by the...
High-end servers that can be partitioned into logical subsystems and repartitioned on the fly are now becoming available. This development raises the possibility of reconfiguring distributed systems online to optimize for dynamically changing workloads. This paper presents the initial steps towards a system that can learn to alter its current configuration in reaction to the current workload. In particular,...
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