> This is a pretty risky approach since it's almost certainly the case that you won't end up evenly distributing your data across shards using this method. Dis

> This is a pretty risky approach since it's almost certainly the case that you won't end up evenly distributing your data across shards using this method. Distributing data across shards is a function of the properties selected to use for partitioning. So I do not understand how "a stable, guaranteed-to-exist, shard key (composite or atomic properties)" is "a pretty risky approach."