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] [33.3% done] [ 13040/112796 kb/s] [eta 00m:06s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=9669, got signal=6
Threads: 2: [mm_] [36.4% done] [ 12653/     0 kb/s] [eta 00m:07s]
Threads: 2: [mF_] [62.5% done] [  2511/ 52492 kb/s] [eta 00m:03s]
Threads: 2: [mF_] [66.7% done] [   927/  2306 kb/s] [eta 00m:03s]
Threads: 2: [FF_] [100.0% done] [   363/  4039 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [70.0% done] [  7285/     0 kb/s] [eta 00m:06s]
Threads: 2: [VV_] [88.2% done] [ 55684/     0 kb/s] [eta 00m:02s]
Threads: 2: [VV_] [100.0% done] [ 57969/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=9667
  read : io=100MiB, bw=6,265KiB/s, runt= 16730msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  387, avg=33.92, stdev=58.30
    bw (KiB/s) : min=   18, max=34463, per=85.64%, avg=11210.41, stdev=11343.62
  write: io=73,724KiB, bw=5,437KiB/s, runt= 13883msec
    slat (msec): min=    0, max=    3, avg= 0.00, stdev= 0.08
    clat (msec): min=    0, max=  347, avg= 4.01, stdev=17.51
    bw (KiB/s) : min=    0, max=57458, per=99.32%, avg=17971.75, stdev=26544.22
  cpu          : usr=8.39%, sys=4.35%, ctx=5950
  IO depths    : 1=3.1%, 2=41.9%, 4=34.4%, 8=20.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=24.9%, 4=17.8%, 10=34.1%, 20=5.3%, 50=4.0%, 100=6.6%
     lat (msec): 250=5.9%, 500=1.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9668
  read : io=100MiB, bw=6,275KiB/s, runt= 16708msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  379, avg=25.64, stdev=46.08
    bw (KiB/s) : min=    7, max=32151, per=106.47%, avg=13936.58, stdev=12471.35
  write: io=78,368KiB, bw=5,780KiB/s, runt= 13883msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   51, avg= 0.75, stdev= 2.78
    bw (KiB/s) : min=    0, max=61095, per=155.97%, avg=28221.33, stdev=30812.06
  cpu          : usr=8.98%, sys=4.72%, ctx=6281
  IO depths    : 1=0.9%, 2=56.6%, 4=27.5%, 8=15.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.1%, 4=15.8%, 10=21.1%, 20=3.6%, 50=2.7%, 100=4.6%
     lat (msec): 250=5.7%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9669
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=8.4%, 2=38.3%, 4=36.2%, 8=17.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=15.6%, 4=28.8%, 10=37.3%, 20=7.9%, 50=4.6%, 100=2.1%
     lat (msec): 250=3.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=209MiB, aggrb=13,090KiB/s, minb=0KiB/s, maxb=6,275KiB/s, mint=0msec, maxt=16730msec
  WRITE: io=240MiB, aggrb=18,094KiB/s, minb=0KiB/s, maxb=5,780KiB/s, mint=0msec, maxt=16730msec

Disk stats (read/write):
  cciss!c0d0: ios=4564/3287, merge=719/57967, ticks=35576/1421028, in_queue=1456612, util=96.63%
4.11user 1.92system 0:17.10elapsed 35%CPU (0avgtext+0avgdata 0maxresident)k
554160inputs+490664outputs (0major+2453minor)pagefaults 0swaps