By popular demand, here's a quick take on MongoDB 4.2.6's transaction system. There are CHARTS, there are GRAPHS, okay it's mostly CHARTS OF GRAPHS but they're really cool anomalies and I hope you enjoy them.
Also the `snapshot` read concern doesn't actually give you snapshot reads unless you commit with write concern `majority`, and apparently this is... by design? Even for read-only transactions? I have questions!
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