> I've never done geographic sharding but it seems kind of hard. How do you pick shard boundaries? How do you deal with entities who are near the boundaries and whose current operational data therefore spans >1 shards? (Imagine somebody at near the geographic intersection of like, five shards looking for pizza in a 10 miles radius or w/e)
You could do it by market (eg. SFBA, Los Angeles, San Diego) or by state.
You could do it by market (eg. SFBA, Los Angeles, San Diego) or by state.