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Release It! by Michael T. Nygard

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Antipattern9.6 The Reload Button

I swear, sometimes users are the worst thing that can happen to a system. That’s never more true than when the system is already under stress. Suppose your site is getting slow. If it’s a J2EE site, then some user sometime will hit a full garbage collector and have a fifteen-second response time. (I’ve always found it ironic that because most garbage collections happen because of a failed memory allocation, they are virtually guaranteed to happen while processing some user’s request.) A user sitting in front of a web browser has no idea how much work is or is not going on at the other end of the network. If the user doesn’t ...

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