# rados bench -p ceph 100 write -b 32K
Maintaining 16 concurrent writes of 32768 bytes for up to 100 seconds or 0 objects
Object prefix: benchmark_data_node-1_12525
  sec Cur ops   started  finished  avg MB/s  cur MB/s last lat(s)  avg lat(s)
    0       0         0         0         0         0           -           0
    1      16       974       958   29.9323   29.9375   0.0131277   0.0165715
    2      16      1953      1937   30.2612   30.5938  0.00800669   0.0163775
    3      16      2933      2917   30.3809    30.625   0.0146422   0.0163849
    4      16      3328      3312   25.8712   12.3438  0.00553153    0.017448
    5      16      3482      3466   21.6595    4.8125  0.00571669   0.0213112
    6      16      4040      4024   20.9554   17.4375  0.00529472   0.0226891
    7      16      4472      4456   19.8902      13.5  0.00532527   0.0249079
    8      16      5209      5193   20.2826   23.0312  0.00725111   0.0246242
    9      15      6195      6180   21.4557   30.8438   0.0121746   0.0232807
   10      16      7002      6986   21.8286   25.1875  0.00736821   0.0223084
   11      16      7094      7078   20.1054     2.875    0.796341   0.0229881
   12      16      7648      7632   19.8726   17.3125   0.0101751    0.025142
   13      16      8613      8597   20.6634   30.1562    0.015516   0.0241831
   14      16      9607      9591    21.406   31.0625  0.00910409   0.0233401
   15      16     10113     10097    21.033   15.8125   0.0122224   0.0231855