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Release It! by Michael T. Nygard

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How the Book Is Organized

The book is divided into four parts, each introduced by a case study. Part 1 shows you how to keep your systems alive—maintaining system uptime. Distributed systems, despite promises of reliability through redundancy, exhibit availability more like “two eights” rather than the coveted “five nines.”[1] Stability is a necessary prerequisite to any other concerns. If your system falls over and dies every day, nobody is going to care about any aspects of the far future. Short-term fixes—and short-term thinking—will dominate in that environment. You’ll have no viable future without stability, so you’ll start by looking at ways to ensure you’ve got a stable base system from which to work.

Once you’ve achieved stability, ...

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