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: [mmm] [20.0% done] [ 15826/ 22668 kb/s] [eta 00m:12s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=15864, got signal=6
Threads: 2: [F_m] [40.0% done] [  6702/ 66151 kb/s] [eta 00m:06s]
Threads: 2: [F_m] [55.6% done] [  2845/ 17756 kb/s] [eta 00m:04s]
Threads: 2: [F_m] [54.5% done] [  1330/  1545 kb/s] [eta 00m:05s]
Threads: 2: [F_F] [100.0% done] [   500/ 22139 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [82.4% done] [ 51720/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_V] [100.0% done] [ 58259/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15863
  read : io=100MiB, bw=6,534KiB/s, runt= 16044msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  202, avg=20.74, stdev=36.18
    bw (KiB/s) : min=    8, max=40675, per=119.08%, avg=16589.18, stdev=16860.57
  write: io=91,996KiB, bw=7,158KiB/s, runt= 13159msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  127, avg= 1.80, stdev= 7.13
    bw (KiB/s) : min=    0, max=59935, per=132.75%, avg=25474.00, stdev=25262.51
  cpu          : usr=10.92%, sys=5.16%, ctx=5901
  IO depths    : 1=2.3%, 2=53.4%, 4=30.1%, 8=14.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=39.5%, 4=18.7%, 10=24.5%, 20=5.8%, 50=3.6%, 100=2.0%
     lat (msec): 250=5.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15864
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=1.6%, 2=78.5%, 4=9.4%, 8=10.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=62.9%, 4=19.6%, 10=6.3%, 20=0.2%, 50=0.9%, 100=5.1%
     lat (msec): 250=4.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15865
  read : io=100MiB, bw=6,576KiB/s, runt= 15944msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  373, avg=37.13, stdev=58.81
    bw (KiB/s) : min=    0, max=29989, per=78.74%, avg=10969.17, stdev=10101.95
  write: io=65,960KiB, bw=5,128KiB/s, runt= 13171msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  143, avg= 2.12, stdev=10.73
    bw (KiB/s) : min=    0, max=16111, per=50.27%, avg=9647.33, stdev=8514.28
  cpu          : usr=8.53%, sys=4.37%, ctx=6064
  IO depths    : 1=1.0%, 2=50.3%, 4=29.2%, 8=19.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=39.7%, 4=11.6%, 10=25.2%, 20=5.5%, 50=2.1%, 100=6.6%
     lat (msec): 250=8.2%, 500=0.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=213MiB, aggrb=13,931KiB/s, minb=0KiB/s, maxb=6,576KiB/s, mint=15944msec, maxt=16044msec
  WRITE: io=241MiB, aggrb=19,190KiB/s, minb=0KiB/s, maxb=7,158KiB/s, mint=15944msec, maxt=16044msec

Disk stats (read/write):
  cciss!c0d0: ios=4508/3476, merge=1007/58241, ticks=34908/1383384, in_queue=1418896, util=97.97%
4.62user 1.86system 0:16.38elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
550376inputs+493696outputs (0major+2450minor)pagefaults 0swaps