50 million inserts (100byte value + u32 key) / NO in-memory limit

gistfile1.txt

[  t min,   t max)        ops count           %
--------------------------------------------------
[      0,       1)         49999786      100.00
[      1,       2)               44        0.00
[      2,       3)               10        0.00
[      3,       4)                4        0.00
[      4,       5)                9        0.00
[      5,       6)               17        0.00
[      6,       7)                2        0.00
[      7,       8)                2        0.00
[      8,       9)                3        0.00
[     10,      12)                1        0.00
[     12,      14)                1        0.00
[     14,      16)                2        0.00
[     18,      20)                1        0.00
[     20,      25)                3        0.00
[     30,      35)                3        0.00
[     35,      40)                2        0.00
[     40,      45)                9        0.00
[     45,      50)                8        0.00
[     50,      60)               16        0.00
[     60,      70)                6        0.00
[     70,      80)                7        0.00
[     80,      90)                3        0.00
[     90,     100)                5        0.00
[    100,     120)                6        0.00
[    120,     140)                7        0.00
[    140,     160)                7        0.00
[    160,     180)                4        0.00
[    180,     200)                3        0.00
[    200,     250)               11        0.00
[    250,     300)                6        0.00
[    300,     350)                4        0.00
[    350,     400)                2        0.00
[    400,     450)                2        0.00
[    450,     500)                1        0.00
[    600,     700)                1        0.00
[   1000,    1200)                2        0.00
--------------------------------------------------
total:      337918         50000000        100%
min latency       : 0.001907 * 1e-3 sec/op
avg latency       : 0.006758 * 1e-3 sec/op
max latency       : 1084.095001 * 1e-3 sec/op
5.0000%  latency  : 0.050000 * 1e-3 sec/op
50.0000%  latency  : 0.500002 * 1e-3 sec/op
95.0000%  latency  : 0.950004 * 1e-3 sec/op
96.0000%  latency  : 0.960004 * 1e-3 sec/op
97.0000%  latency  : 0.970004 * 1e-3 sec/op
98.0000%  latency  : 0.980004 * 1e-3 sec/op
99.0000%  latency  : 0.990004 * 1e-3 sec/op
99.5000%  latency  : 0.995004 * 1e-3 sec/op
99.9000%  latency  : 0.999004 * 1e-3 sec/op
99.9500%  latency  : 0.999504 * 1e-3 sec/op
99.9900%  latency  : 0.999904 * 1e-3 sec/op
avg throughput    :  147965 ops/sec