8 shards : 11.958 secs   7.643 mil QPS
 16 shards :  6.680 secs  13.682 mil QPS
 32 shards :  4.424 secs  20.659 mil QPS
 64 shards :  3.419 secs  26.732 mil QPS
 96 shards :  3.052 secs  29.946 mil QPS
128 shards :  2.903 secs  31.483 mil QPS