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] [42.9% done] [  7354/ 30498 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [44.4% done] [  4917/ 19243 kb/s] [eta 00m:05s]
Threads: 3: [mmF] [50.0% done] [  3233/  6158 kb/s] [eta 00m:05s]
Threads: 3: [mFF] [60.0% done] [  1008/ 27362 kb/s] [eta 00m:04s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [FFF] [100.0% done] [   256/ 12418 kb/s] [eta 00m:00s]
fio: pid=19584, got signal=6
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] [72.2% done] [ 18210/     0 kb/s] [eta 00m:05s]
Threads: 2: [_VV] [93.3% done] [ 66447/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 65125/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=19584
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=67.8%, 2=16.1%, 4=2.6%, 8=13.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=82.6%, 4=0.5%, 10=0.9%, 20=0.1%, 50=0.6%, 100=4.6%
     lat (msec): 250=8.9%, 500=1.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=19585
  read : io=100MiB, bw=6,812KiB/s, runt= 15393msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  315, avg=26.76, stdev=50.54
    bw (KiB/s) : min=   18, max=36831, per=100.32%, avg=14709.50, stdev=15322.93
  write: io=83,736KiB, bw=6,707KiB/s, runt= 12783msec
    slat (msec): min=    0, max=    6, avg= 0.00, stdev= 0.16
    clat (msec): min=    0, max=  215, avg= 1.53, stdev=12.69
    bw (KiB/s) : min=    0, max=59129, per=134.70%, avg=28100.50, stdev=29495.72
  cpu          : usr=10.86%, sys=4.99%, ctx=11962
  IO depths    : 1=52.6%, 2=14.0%, 4=20.4%, 8=13.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=57.3%, 4=7.2%, 10=19.0%, 20=3.6%, 50=2.3%, 100=3.8%
     lat (msec): 250=6.4%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=19586
  read : io=100MiB, bw=6,674KiB/s, runt= 15709msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  151, avg=17.63, stdev=31.84
    bw (KiB/s) : min=   11, max=38346, per=112.42%, avg=16483.50, stdev=15658.07
  write: io=94,420KiB, bw=7,563KiB/s, runt= 12783msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   79, avg= 0.43, stdev= 3.56
    bw (KiB/s) : min=    0, max=44025, per=110.78%, avg=23109.00, stdev=22094.28
  cpu          : usr=8.56%, sys=4.71%, ctx=7909
  IO depths    : 1=19.1%, 2=44.5%, 4=24.9%, 8=11.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=54.7%, 4=13.7%, 10=18.4%, 20=3.0%, 50=2.3%, 100=4.3%
     lat (msec): 250=3.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=220MiB, aggrb=14,662KiB/s, minb=0KiB/s, maxb=6,812KiB/s, mint=15393msec, maxt=15709msec
  WRITE: io=254MiB, aggrb=20,861KiB/s, minb=0KiB/s, maxb=7,563KiB/s, mint=15393msec, maxt=15709msec

Disk stats (read/write):
  cciss!c0d0: ios=4306/3541, merge=894/61481, ticks=33456/1454872, in_queue=1488328, util=97.07%
4.30user 1.94system 0:16.22elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
517824inputs+520872outputs (0major+2453minor)pagefaults 0swaps