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: [mmF] [30.0% done] [  5981/ 47611 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [44.4% done] [  2896/ 38434 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [45.5% done] [  2633/  1787 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [46.2% done] [  1576/     0 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [50.0% done] [  1480/     0 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [61.5% done] [  1313/ 15485 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [60.0% done] [  2216/     0 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [62.5% done] [   788/     0 kb/s] [eta 00m:06s]
Threads: 3: [FmV] [61.1% done] [ 37551/     0 kb/s] [eta 00m:07s]
Threads: 3: [FmV] [63.2% done] [ 63248/     0 kb/s] [eta 00m:07s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=5680, got signal=6
Threads: 1: [V__] [81.2% done] [ 22208/  9428 kb/s] [eta 00m:03s]
Threads: 1: [V__] [100.0% done] [ 64531/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5679
  read : io=100MiB, bw=7,372KiB/s, runt= 14217msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  226, avg=14.18, stdev=35.31
    bw (KiB/s) : min=    0, max=66909, per=116.26%, avg=20043.12, stdev=28395.05
  write: io=87,132KiB, bw=6,992KiB/s, runt= 12759msec
    slat (msec): min=    0, max=    3, avg= 0.00, stdev= 0.08
    clat (msec): min=    0, max=  186, avg= 0.98, stdev= 9.90
    bw (KiB/s) : min=    0, max=59179, per=146.87%, avg=30050.33, stdev=29600.26
  cpu          : usr=9.57%, sys=5.54%, ctx=8462
  IO depths    : 1=29.1%, 2=34.4%, 4=26.3%, 8=10.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=55.9%, 4=14.8%, 10=21.4%, 20=2.5%, 50=0.7%, 100=1.1%
     lat (msec): 250=3.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5680
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=69.3%, 4=7.4%, 8=23.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=57.3%, 4=11.4%, 10=1.0%, 20=0.1%, 50=0.6%, 100=5.8%
     lat (msec): 250=17.3%, 500=5.4%, 750=0.8%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5681
  read : io=100MiB, bw=8,623KiB/s, runt= 12160msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  195, avg= 7.53, stdev=18.60
    bw (KiB/s) : min=    4, max=61513, per=177.52%, avg=30604.17, stdev=31975.59
  write: io=98MiB, bw=9,903KiB/s, runt= 10347msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   67, avg= 0.66, stdev= 2.97
    bw (KiB/s) : min=    0, max=60956, per=172.11%, avg=35214.33, stdev=31562.75
  cpu          : usr=14.14%, sys=6.81%, ctx=5392
  IO depths    : 1=1.5%, 2=64.4%, 4=27.0%, 8=7.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=53.3%, 4=18.6%, 10=21.6%, 20=3.6%, 50=1.1%, 100=1.2%
     lat (msec): 250=0.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=234MiB, aggrb=17,240KiB/s, minb=0KiB/s, maxb=8,623KiB/s, mint=12160msec, maxt=14217msec
  WRITE: io=249MiB, aggrb=20,460KiB/s, minb=0KiB/s, maxb=9,903KiB/s, mint=12160msec, maxt=14217msec

Disk stats (read/write):
  cciss!c0d0: ios=4423/3108, merge=586/58179, ticks=32612/1495112, in_queue=1531972, util=95.77%
4.31user 2.04system 0:14.54elapsed 43%CPU (0avgtext+0avgdata 0maxresident)k
545848inputs+510016outputs (0major+2446minor)pagefaults 0swaps