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: [mmF] [13.6% done] [ 10573/118105 kb/s] [eta 00m:19s]
Threads: 3: [mmF] [16.7% done] [  7671/   496 kb/s] [eta 00m:20s]
Threads: 3: [mmF] [20.0% done] [  7679/     0 kb/s] [eta 00m:20s]
Threads: 3: [mmF] [22.2% done] [  4470/ 27106 kb/s] [eta 00m:21s]
Threads: 3: [FmF] [43.8% done] [  2167/ 31547 kb/s] [eta 00m:09s]
Threads: 3: [FFF] [100.0% done] [     0/ 38857 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [72.2% done] [ 37128/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [82.4% done] [ 54765/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [93.8% done] [ 51856/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 56123/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=28245
  read : io=100MiB, bw=6,185KiB/s, runt= 16953msec
    slat (msec): min=   11, max=10621, avg=7597.04, stdev=3246.31
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   14, max=25064, per=47.03%, avg=8726.21, stdev=8263.80
  write: io=83,540KiB, bw=7,044KiB/s, runt= 12143msec
    slat (msec): min=    0, max=  121, avg= 4.52, stdev= 7.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=55048, per=125.53%, avg=26156.83, stdev=28546.34
  cpu          : usr=12.79%, sys=4.25%, ctx=1421
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=28246
  read : io=100MiB, bw=6,253KiB/s, runt= 16769msec
    slat (msec): min=   53, max= 9186, avg=5826.72, stdev=2942.39
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   29, max=18556, per=50.63%, avg=9394.06, stdev=5973.46
  write: io=67,844KiB, bw=5,726KiB/s, runt= 12132msec
    slat (msec): min=    0, max=   18, avg= 3.21, stdev= 2.85
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=59249, per=189.55%, avg=39496.67, stdev=34205.12
  cpu          : usr=11.95%, sys=3.84%, ctx=1822
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=28247
  read : io=100MiB, bw=6,304KiB/s, runt= 16631msec
    slat (msec): min=  113, max=13947, avg=11258.06, stdev=2612.52
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   18, max=30530, per=86.82%, avg=16109.00, stdev=10443.63
  write: io=95,720KiB, bw=8,116KiB/s, runt= 12077msec
    slat (msec): min=    0, max=   22, avg= 3.21, stdev= 3.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=59142, per=120.23%, avg=25053.00, stdev=30588.90
  cpu          : usr=12.70%, sys=3.54%, ctx=1221
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=18,555KiB/s, minb=6,185KiB/s, maxb=6,304KiB/s, mint=16631msec, maxt=16953msec
  WRITE: io=241MiB, aggrb=20,837KiB/s, minb=5,726KiB/s, maxb=8,116KiB/s, mint=16631msec, maxt=16953msec

Disk stats (read/write):
  cciss!c0d0: ios=6119/2973, merge=1569/58769, ticks=67876/1376228, in_queue=1444216, util=97.37%
6.35user 1.96system 0:17.17elapsed 48%CPU (0avgtext+0avgdata 0maxresident)k
763744inputs+494224outputs (0major+2381minor)pagefaults 0swaps