A guilty pleasure of mine is the pursuit of perfection. It is certainly a vice in most contexts, but there are some problems whose solutions demand a measure of perfection. These are problems that I will refer to as "5-9 problems": problems whose solutions need five 9's (or more) in some dimension. Usually, those nines …

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As you build a computer system, little things start to show up: maybe that database query is awkward for the feature you are building, or you find your server getting bogged down transferring gigabytes of data in hexadecimal ASCII, or your app translates itself to Japanese on the fly for hundreds of thousands of …

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A lot of ink is spent on the "monoliths vs. microservices" debate, but the real issue behind this debate is about whether distributed system architecture is worth the developer time and cost overheads. By thinking about the real operational considerations of our systems, we can get some insight into whether we actually …

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