Using metrics similar to those used in Chapter 6 and Exercise 6.16, assess the server you identified in 6.17.2 in comparison to the Sun Fire x4150 server evaluated in Exercise 6.16. Which would you choose? Did the results of your analysis surprise you? Specifically, would you choose differently?

Data from Exercise 6.16

The emergence of web servers for ecommerce, online storage, and communication has made disk servers critical applications. Availability and speed are well-known metrics for disk servers, but power consumption is becoming increasingly important. Answer the questions about configuration and evaluation of disk servers with the following parameters.

Exercise 6.17.2

For the application listed above, find a server available
in the marketplace that you feel would be appropriate for running the application. Before evaluating the server, identify reasons why it was selected.

Determining the performance of a single server with relatively complete data is an easy task. However, when comparing servers from different vendors providing different data, choosing among alternatives can be difficult. Explore the process of finding and evaluating servers by answering questions about the following application.

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a. b. Program Instructions/ 1/0 Operation 100,000 200,000 OS Instructions/ 1/0 Operation 150,000 200,000 Workload (KB reads) 64 128 Processor Speed (Instructions/ Second) 2 Billion. 3 Billion