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Release It! by Michael T. Nygard

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Chapter 4Stability Antipatterns

Once upon a time, application crashes were just about the most common type of bug, with operating system crashes a near second. I could make snide remarks about how little has changed, but that would be dishonest. Applications rarely crash these days, thanks in large part to the wide adoption of Java, PHP, Ruby, and other interpreted languages. Operating systems have generally gotten more stable and reliable due to the hard work of many thousands of programmers. We used to think of a hundred concurrent users as representing a large system; now we think in the tens of thousands. Instead of application uptime in the hours, we now look for months of continuous uptime. The breadth of our applications’ reach has exploded, ...

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