fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [FFF] [100.0% done] [   979/ 63138 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: 2: [_VV] [83.3% done] [ 48310/     0 kb/s] [eta 00m:02s]
Threads: 2: [_VV] [100.0% done] [ 70148/     0 kb/s] [eta 00m:00s]
Threads: 1: [_VE] [100.0% done] [ 65836/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=29947
  read : io=0KiB, bw=0KiB/s, runt=  9272msec
  write: io=100MiB, bw=11,398KiB/s, runt=  9199msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=    4, avg= 0.41, stdev= 0.88
    bw (KiB/s) : min=    0, max=98213, per=166.90%, avg=53046.33, stdev=49578.37
  cpu          : usr=12.51%, sys=3.97%, ctx=3642
  IO depths    : 1=0.2%, 2=98.6%, 4=1.2%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=88.1%, 4=10.2%, 10=1.2%, 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=29948
  read : io=100MiB, bw=8,611KiB/s, runt= 12177msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  282, avg=17.68, stdev=38.12
    bw (KiB/s) : min=   10, max=38617, per=108.91%, avg=18753.50, stdev=14408.46
  write: io=85,340KiB, bw=9,450KiB/s, runt=  9247msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  167, avg= 0.96, stdev=10.85
    bw (KiB/s) : min=    0, max=51275, per=80.66%, avg=25637.50, stdev=36256.90
  cpu          : usr=9.30%, sys=5.22%, ctx=11942
  IO depths    : 1=57.2%, 2=13.9%, 4=19.7%, 8=9.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=63.8%, 4=8.8%, 10=16.2%, 20=2.0%, 50=0.8%, 100=4.8%
     lat (msec): 250=3.2%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=29949
  read : io=100MiB, bw=8,666KiB/s, runt= 12097msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  275, avg=15.09, stdev=38.06
    bw (KiB/s) : min=   11, max=39196, per=110.74%, avg=19070.12, stdev=18958.77
  write: io=99,284KiB, bw=11,004KiB/s, runt=  9239msec
    slat (msec): min=    0, max=    4, avg= 0.00, stdev= 0.10
    clat (msec): min=    0, max=  191, avg= 0.67, stdev= 9.22
    bw (KiB/s) : min=    0, max=57564, per=88.65%, avg=28175.00, stdev=28801.20
  cpu          : usr=12.80%, sys=5.62%, ctx=10203
  IO depths    : 1=49.8%, 2=17.9%, 4=24.6%, 8=7.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=58.5%, 4=14.2%, 10=18.8%, 20=2.6%, 50=0.9%, 100=0.8%
     lat (msec): 250=3.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=200MiB, aggrb=17,220KiB/s, minb=0KiB/s, maxb=8,666KiB/s, mint=9272msec, maxt=12177msec
  WRITE: io=280MiB, aggrb=31,784KiB/s, minb=9,450KiB/s, maxb=11,398KiB/s, mint=9272msec, maxt=12177msec

Disk stats (read/write):
  cciss!c0d0: ios=3704/2941, merge=1301/68715, ticks=22180/1169344, in_queue=1194424, util=95.07%
3.92user 1.79system 0:12.96elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k
463184inputs+574080outputs (0major+2435minor)pagefaults 0swaps