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Release It! by Michael T. Nygard

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Administrative Interfaces

Spiffy Java GUIs demo very well. They make software look more “enterprisey.” Unfortunately, they are a nightmare in production. The chief problem with a GUI is all the dang clicking. I can’t script a bunch of clicking. Java GUIs will slow down operations by forcing administrators to do the same manual process on each server (there might be many!) every time the process is needed. For example, the clean shutdown sequence on a particular order management system I worked on required clicking—and waiting several minutes—on each of six different servers. Guess how often the clean shutdown sequence was observed? If the change window is only one hour long, I cannot afford to spend half of it waiting on a GUI.

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