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by earthnail 1085 days ago
I've used RocksDB for an in-memory K/V store of ~600GB in size and it worked really well. Not saying it's the best choice out there but it did the job very well for us. And in particular because our dataset was always growing and we needed the option to fallback to disk if needed, RocksDB worked very well.

Was a PITA to optimise though; tons of options and little insight into which ones work.