LOAD THRESHOLD CALCULATING APPARATUS AND LOAD THRESHOLD CALCULATING METHOD
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机译:负荷阈值计算装置及负荷阈值计算方法
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摘要
A load threshold calculating apparatus includes a computer that acquires for a second storage device having a lower response performance to access requests than a first storage device, a required maximum response time for response to a read request; substitutes the maximum response time into a model expressing for the second storage device, a response time to the read request, the response time increasing exponentially with an increase in read requests and according to an exponent denoting the number of read requests to the second storage device per unit time, to calculate a value indicative of the number of read requests in a case of the maximum response time; calculates based on the calculated value and the number of the memory areas in the second storage device, an upper limit value of the number of read requests to a memory area per unit time; and outputs the upper limit value.
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