fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [13.6% done] [ 15400/  7549 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [18.2% done] [ 20134/  2330 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [22.7% done] [ 12674/  8370 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [26.1% done] [ 12833/  8383 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [31.8% done] [ 10660/  8615 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [36.4% done] [  8261/ 11372 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [40.9% done] [ 10372/  8818 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [45.5% done] [ 14634/  4718 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [47.8% done] [ 13723/  2908 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [52.2% done] [  7101/  9017 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [54.2% done] [  4620/ 10115 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [58.3% done] [  6442/  8525 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [60.0% done] [  3213/  9949 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [61.5% done] [  5304/  6813 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [65.4% done] [  1175/  8834 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [69.2% done] [ 18157/   333 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [79.2% done] [ 42334/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [87.0% done] [ 42841/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [91.3% done] [ 37234/     0 kb/s] [eta 00m:02s]
fio: (groupid=0): err= 0: pid=2921
  read : io=100MiB, bw=4,901KiB/s, runt= 21392msec
    slat (msec): min=    0, max= 4354, avg=1347.69, stdev=1544.26
    clat (msec): min=    0, max=  449, avg=65.76, stdev=74.15
    bw (KiB/s) : min=   48, max=13635, per=39.40%, avg=5793.90, stdev=3981.17
  write: io=42,036KiB, bw=2,523KiB/s, runt= 17057msec
    slat (msec): min=    0, max=    9, avg= 0.51, stdev= 1.08
    clat (msec): min=    5, max=  277, avg=62.91, stdev=45.96
    bw (KiB/s) : min=    0, max=10288, per=45.30%, avg=3825.00, stdev=3067.18
  cpu          : usr=8.79%, sys=0.65%, ctx=1166
  IO depths    : 1=0.1%, 2=1.5%, 4=47.3%, 8=51.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.6%, 4=1.1%, 10=13.0%, 20=18.1%, 50=21.5%, 100=23.6%
     lat (msec): 250=21.0%, 500=1.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2922
  read : io=100MiB, bw=4,914KiB/s, runt= 21338msec
    slat (msec): min=    0, max= 3646, avg=737.80, stdev=1091.26
    clat (msec): min=    1, max=  588, avg=63.49, stdev=72.78
    bw (KiB/s) : min=    3, max=13062, per=36.53%, avg=5371.53, stdev=3557.18
  write: io=39,812KiB, bw=2,326KiB/s, runt= 17521msec
    slat (msec): min=    0, max=   12, avg= 0.75, stdev= 1.47
    clat (msec): min=   11, max=  365, avg=83.65, stdev=53.87
    bw (KiB/s) : min=    0, max= 8506, per=39.44%, avg=3330.56, stdev=2642.26
  cpu          : usr=8.70%, sys=0.56%, ctx=1194
  IO depths    : 1=0.1%, 2=0.9%, 4=45.5%, 8=53.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=1.0%, 10=10.4%, 20=17.8%, 50=22.2%, 100=23.9%
     lat (msec): 250=22.5%, 500=1.8%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2923
  read : io=100MiB, bw=4,916KiB/s, runt= 21326msec
    slat (msec): min=    0, max= 5035, avg=1979.98, stdev=1805.26
    clat (msec): min=    0, max=  270, avg=46.92, stdev=64.19
    bw (KiB/s) : min=    3, max=18749, per=46.89%, avg=6895.17, stdev=6618.77
  write: io=62,640KiB, bw=3,928KiB/s, runt= 16329msec
    slat (msec): min=    0, max=   15, avg= 0.80, stdev= 1.69
    clat (msec): min=    7, max=  327, avg=75.81, stdev=57.31
    bw (KiB/s) : min=    0, max=12369, per=53.44%, avg=4512.52, stdev=3513.43
  cpu          : usr=9.72%, sys=0.64%, ctx=1210
  IO depths    : 1=0.1%, 2=1.4%, 4=47.4%, 8=51.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=1.2%, 4=2.8%, 10=19.6%, 20=14.1%, 50=22.1%, 100=21.0%
     lat (msec): 250=17.9%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,705KiB/s, minb=4,901KiB/s, maxb=4,916KiB/s, mint=21326msec, maxt=21392msec
  WRITE: io=141MiB, aggrb=8,444KiB/s, minb=2,326KiB/s, maxb=3,928KiB/s, mint=21326msec, maxt=21392msec

Disk stats (read/write):
  cciss!c0d0: ios=5219/2819, merge=1627/621, ticks=337712/556564, in_queue=894272, util=99.65%
5.86user 0.41system 0:21.58elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k
614400inputs+289000outputs (0major+2376minor)pagefaults 0swaps