Chapter 12. Beyond Functionality: Software Quality Attributes
"Hi, Phil, this is Maria again. I have a question about the new employee system you programmed. As you know, this system runs on our mainframe, and every department has to pay for its disk storage and CPU processing charges every month. It looks like the new system’s files are using about twice as much disk space as the old system did. Even worse, the CPU charges are nearly three times what they used to be for a session. Can you tell me what’s going on, please?"
"Sure, Maria," said Phil. "Remember that you wanted this system to store much more data about each employee than the old system did, so naturally the database is much larger. Therefore, you’re paying more for disk space usage ...
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