US Patent 10129094 Variable computing capacity

In a multi-tenant web services platform, a request to allocate a subset of the customer's reserved computing resource capacity as a variable resource is received from a customer. The platform is allowed to modify one or more parameters of the subset in accordance with at least one criterion without modifying the remaining portion of the customer's reserved computing resource capacity. The subset is analyzed in accordance with the at least one criterion. The parameters of the portion of the subset are modified based on the analysis of the subset.