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] [15.0% done] [ 12174/ 14114 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [20.0% done] [ 15175/  8082 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [25.0% done] [  9237/ 12544 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [30.0% done] [ 15143/  6613 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [35.0% done] [ 13902/  8505 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [38.1% done] [ 12645/  6048 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [42.9% done] [ 21557/   353 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [47.6% done] [ 13182/  5580 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [50.0% done] [ 15794/   231 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [54.5% done] [  6849/  9542 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [56.5% done] [  9164/  4543 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [58.3% done] [ 11677/  1025 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [62.5% done] [  8517/  3595 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [64.0% done] [  6564/  4376 kb/s] [eta 00m:09s]
Threads: 3: [mmV] [65.4% done] [ 11604/  2212 kb/s] [eta 00m:09s]
Threads: 3: [VmV] [66.7% done] [ 13801/   187 kb/s] [eta 00m:09s]
Threads: 3: [VmV] [67.9% done] [ 13691/   915 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [71.4% done] [ 17055/     0 kb/s] [eta 00m:08s]
Threads: 2: [VVE] [77.8% done] [ 18153/     0 kb/s] [eta 00m:06s]
Threads: 1: [_V_] [88.0% done] [ 21193/     0 kb/s] [eta 00m:03s]
fio: (groupid=0): err= 0: pid=12320
  read : io=100MiB, bw=4,799KiB/s, runt= 21846msec
    slat (msec): min=    0, max= 4869, avg=763.40, stdev=1477.42
    clat (msec): min=    0, max=  723, avg=76.96, stdev=69.59
    bw (KiB/s) : min=   74, max=11221, per=36.90%, avg=5033.60, stdev=2828.86
  write: io=26,996KiB, bw=1,611KiB/s, runt= 17157msec
    slat (msec): min=    0, max=  598, avg=10.27, stdev=67.05
    clat (msec): min=    5, max=  254, avg=84.32, stdev=54.46
    bw (KiB/s) : min=    0, max= 8921, per=45.58%, avg=2766.38, stdev=3418.00
  cpu          : usr=7.62%, sys=0.44%, ctx=675
  IO depths    : 1=1.4%, 2=6.6%, 4=57.3%, 8=34.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.5%, 4=0.2%, 10=2.3%, 20=10.5%, 50=27.4%, 100=31.3%
     lat (msec): 250=24.9%, 500=2.6%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12321
  read : io=100MiB, bw=4,546KiB/s, runt= 23061msec
    slat (msec): min=    0, max= 4727, avg=1427.00, stdev=1765.08
    clat (msec): min=    0, max=  668, avg=62.10, stdev=69.30
    bw (KiB/s) : min=  103, max=25922, per=37.93%, avg=5173.16, stdev=5324.56
  write: io=50,220KiB, bw=2,769KiB/s, runt= 18570msec
    slat (msec): min=    0, max=  618, avg= 3.28, stdev=32.34
    clat (msec): min=    4, max=  289, avg=86.77, stdev=56.27
    bw (KiB/s) : min=    0, max= 9953, per=60.34%, avg=3662.13, stdev=3119.72
  cpu          : usr=8.59%, sys=0.35%, ctx=915
  IO depths    : 1=1.1%, 2=6.0%, 4=53.6%, 8=39.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.6%, 4=1.1%, 10=5.4%, 20=12.2%, 50=30.8%, 100=26.0%
     lat (msec): 250=21.8%, 500=1.8%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12322
  read : io=100MiB, bw=5,104KiB/s, runt= 20544msec
    slat (msec): min=    0, max= 5284, avg=985.09, stdev=1595.16
    clat (msec): min=    0, max=  311, avg=65.06, stdev=55.10
    bw (KiB/s) : min=   21, max=11734, per=42.71%, avg=5824.97, stdev=3552.78
  write: io=32,860KiB, bw=2,202KiB/s, runt= 15277msec
    slat (msec): min=    0, max=   17, avg= 1.21, stdev= 2.40
    clat (msec): min=    3, max=  258, avg=76.92, stdev=59.05
    bw (KiB/s) : min=    0, max= 6490, per=55.62%, avg=3375.38, stdev=2362.19
  cpu          : usr=8.39%, sys=0.33%, ctx=715
  IO depths    : 1=1.3%, 2=6.9%, 4=57.4%, 8=34.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=1.4%, 4=0.6%, 10=3.6%, 20=12.8%, 50=30.2%, 100=27.2%
     lat (msec): 250=22.6%, 500=1.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,640KiB/s, minb=4,546KiB/s, maxb=5,104KiB/s, mint=20544msec, maxt=23061msec
  WRITE: io=107MiB, aggrb=6,069KiB/s, minb=1,611KiB/s, maxb=2,769KiB/s, mint=20544msec, maxt=23061msec

Disk stats (read/write):
  cciss!c0d0: ios=5538/2110, merge=1136/234, ticks=367804/183912, in_queue=551712, util=97.90%
5.42user 0.27system 0:23.77elapsed 23%CPU (0avgtext+0avgdata 0maxresident)k
614400inputs+220192outputs (0major+2371minor)pagefaults 0swaps