Having to query against 2 or 4 nodes is not bad, because you can and should run them concurrently, so you've still got the latency of one query. I wouldn't wan

Having to query against 2 or 4 nodes is not bad, because you can and should run them concurrently, so you've still got the latency of one query. I wouldn't want to overlap data because that opens a new door for inconsistencies to occur.