You could shard based on uuid, so that each shard has its set of objects that it manages. The easiest way would be to cast uuid as a 64bit unsigned int, then m

You could shard based on uuid, so that each shard has its set of objects that it manages. The easiest way would be to cast uuid as a 64bit unsigned int, then mod by the number of shards. If the number of shards is dynamic, then use consistent hashing.