According to Ohloh, MySQL and MongoDB have little in common. One’s seen commits from over a thousand people, the other shy of sixty. One’s 1.1M+ lines of code, the other not even two hundred thousand. And architecturally, the projects are quite distinct. But in many respects, MongoDB is the new MySQL. Not because MongoDB is a replacement, as Joseph Ritchey argues in his piece “MongoDB is the New M
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