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] [37.5% done] [  9184/130832 kb/s] [eta 00m:05s]
Threads: 3: [mmF] [50.0% done] [  7578/ 43678 kb/s] [eta 00m:04s]
Threads: 3: [mFF] [55.6% done] [  2603/ 16811 kb/s] [eta 00m:04s]
Threads: 3: [FFF] [100.0% done] [     0/ 22105 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: [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] [ 20785/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [87.5% done] [ 69729/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 64662/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 65751/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12870
  read : io=100MiB, bw=6,389KiB/s, runt= 16410msec
    slat (msec): min=    5, max=11064, avg=7776.66, stdev=3394.63
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   11, max=26372, per=62.11%, avg=11820.57, stdev=9753.14
  write: io=81,240KiB, bw=6,661KiB/s, runt= 12488msec
    slat (msec): min=    0, max=  176, avg= 4.77, stdev=13.29
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=57835, per=132.09%, avg=27191.00, stdev=26063.77
  cpu          : usr=13.19%, sys=3.92%, ctx=775
  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%
fio: (groupid=0): err= 0: pid=12871
  read : io=100MiB, bw=6,343KiB/s, runt= 16529msec
    slat (msec): min=    0, max=12053, avg=8816.49, stdev=3661.03
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   14, max=23599, per=62.86%, avg=11962.62, stdev=8980.43
  write: io=81,296KiB, bw=6,670KiB/s, runt= 12480msec
    slat (msec): min=    0, max=  135, avg= 4.07, stdev= 7.96
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=46983, per=113.01%, avg=23262.25, stdev=19911.27
  cpu          : usr=12.68%, sys=4.21%, ctx=780
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 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=12872
  read : io=100MiB, bw=6,370KiB/s, runt= 16459msec
    slat (msec): min=   21, max=12835, avg=9974.97, stdev=3540.64
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   23, max=25401, per=76.56%, avg=14571.00, stdev=10137.09
  write: io=88,516KiB, bw=7,266KiB/s, runt= 12474msec
    slat (msec): min=    0, max=   25, avg= 3.77, stdev= 3.55
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=59432, per=177.91%, avg=36622.50, stdev=28494.27
  cpu          : usr=13.59%, sys=4.03%, ctx=663
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=19,031KiB/s, minb=6,343KiB/s, maxb=6,389KiB/s, mint=16410msec, maxt=16529msec
  WRITE: io=245MiB, aggrb=20,585KiB/s, minb=6,661KiB/s, maxb=7,266KiB/s, mint=16410msec, maxt=16529msec

Disk stats (read/write):
  cciss!c0d0: ios=3455/3135, merge=7480/59564, ticks=382280/1310068, in_queue=1692796, util=95.55%
6.57user 2.02system 0:16.76elapsed 51%CPU (0avgtext+0avgdata 0maxresident)k
725472inputs+502120outputs (0major+2375minor)pagefaults 0swaps