200M operations

Cassandra:
Results:
Op rate                   :  149,124 op/s  [insert: 99,404 op/s, singlepost: 49,720 op/s]
Partition rate            :  125,425 pk/s  [insert: 99,404 pk/s, singlepost: 26,021 pk/s]
Row rate                  :  125,425 row/s [insert: 99,404 row/s, singlepost: 26,021 row/s]
Latency mean              :    0.7 ms [insert: 0.7 ms, singlepost: 0.7 ms]
Latency median            :    0.4 ms [insert: 0.4 ms, singlepost: 0.5 ms]
Latency 95th percentile   :    1.5 ms [insert: 1.4 ms, singlepost: 1.6 ms]
Latency 99th percentile   :    2.7 ms [insert: 2.6 ms, singlepost: 2.8 ms]
Latency 99.9th percentile :    5.5 ms [insert: 5.4 ms, singlepost: 5.7 ms]
Latency max               : 5930.7 ms [insert: 5,930.7 ms, singlepost: 3,569.4 ms]
Total partitions          : 168,215,991 [insert: 133,317,059, singlepost: 34,898,932]
Total errors              :          0 [insert: 0, singlepost: 0]
Total GC count            : 0
Total GC memory           : 0.000 KiB
Total GC time             :    0.0 seconds
Avg GC time               :    NaN ms
StdDev GC time            :    0.0 ms
Total operation time      : 00:22:21

END

RocksDB:
Results:
Op rate                   :  183,565 op/s  [insert: 122,400 op/s, singlepost: 61,585 op/s]
Partition rate            :  146,048 pk/s  [insert: 122,400 pk/s, singlepost: 23,811 pk/s]
Row rate                  :  146,048 row/s [insert: 122,400 row/s, singlepost: 23,811 row/s]
Latency mean              :    0.5 ms [insert: 0.6 ms, singlepost: 0.3 ms]
Latency median            :    0.3 ms [insert: 0.3 ms, singlepost: 0.3 ms]
Latency 95th percentile   :    0.6 ms [insert: 0.6 ms, singlepost: 0.5 ms]
Latency 99th percentile   :    1.0 ms [insert: 1.1 ms, singlepost: 0.8 ms]
Latency 99.9th percentile :    2.7 ms [insert: 2.8 ms, singlepost: 1.3 ms]
Latency max               : 4089.4 ms [insert: 4,089.4 ms, singlepost: 145.4 ms]
Total partitions          : 158,588,684 [insert: 132,910,054, singlepost: 25,678,630]
Total errors              :          0 [insert: 0, singlepost: 0]
Total GC count            : 0
Total GC memory           : 0.000 KiB
Total GC time             :    0.0 seconds
Avg GC time               :    NaN ms
StdDev GC time            :    0.0 ms
Total operation time      : 00:18:05