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On my MacBook I get an average query time on our profile dataset for wikipedia's graph of 2.5 ms per query

Is the dataset changing (being written to) while you make those queries?

No, not in our profile set, but because of our locking system (where readers don't block writes and writes don't block reads) I believe it should hold up well under moderate write conditions (in the case of recommendations applications, we assume that writes are infrequent relative to reads).

Still an untested assumption, but the system is architectured to hold up well in those situations and I think that it will reasonably scale there.


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