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] [13.0% done] [ 17164/ 27717 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [20.0% done] [ 16652/ 23319 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [35.7% done] [ 14301/ 24315 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [37.5% done] [  4660/ 12027 kb/s] [eta 00m:10s]
Threads: 3: [FFm] [46.7% done] [  2664/ 54187 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [47.1% done] [  1285/  2326 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [56.2% done] [   792/ 12995 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [58.8% done] [  1736/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [61.1% done] [  1032/  4567 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [     0/ 10176 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]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=9522, got signal=6
Threads: 2: [_VV] [71.4% done] [ 28623/     0 kb/s] [eta 00m:06s]
Threads: 2: [_VV] [88.9% done] [ 50301/     0 kb/s] [eta 00m:02s]
Threads: 1: [_EV] [100.0% done] [ 46630/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=9522
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.4%, 2=75.4%, 4=7.1%, 8=17.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=58.9%, 4=17.3%, 10=3.3%, 20=0.1%, 50=1.8%, 100=11.2%
     lat (msec): 250=5.9%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9523
  read : io=100MiB, bw=6,158KiB/s, runt= 17025msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  345, avg=37.19, stdev=59.60
    bw (KiB/s) : min=    5, max=35509, per=80.25%, avg=10521.59, stdev=10245.28
  write: io=65,488KiB, bw=4,630KiB/s, runt= 14483msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  106, avg= 1.05, stdev= 6.08
    bw (KiB/s) : min=    0, max=58897, per=155.59%, avg=23650.33, stdev=31113.83
  cpu          : usr=7.66%, sys=4.28%, ctx=6497
  IO depths    : 1=1.0%, 2=53.8%, 4=27.1%, 8=18.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=43.1%, 4=13.5%, 10=22.1%, 20=5.5%, 50=1.3%, 100=3.3%
     lat (msec): 250=10.3%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9524
  read : io=100MiB, bw=6,055KiB/s, runt= 17317msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  430, avg=58.61, stdev=87.27
    bw (KiB/s) : min=   55, max=33794, per=47.93%, avg=6284.46, stdev=8081.11
  write: io=64,228KiB, bw=4,537KiB/s, runt= 14495msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  283, avg= 3.61, stdev=21.98
    bw (KiB/s) : min=    0, max= 8945, per=33.53%, avg=5097.00, stdev=3750.93
  cpu          : usr=7.58%, sys=3.67%, ctx=6594
  IO depths    : 1=0.7%, 2=48.0%, 4=28.1%, 8=23.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=38.1%, 4=12.1%, 10=20.5%, 20=7.6%, 50=1.5%, 100=4.1%
     lat (msec): 250=12.9%, 500=3.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=217MiB, aggrb=13,111KiB/s, minb=0KiB/s, maxb=6,158KiB/s, mint=17025msec, maxt=17317msec
  WRITE: io=210MiB, aggrb=15,200KiB/s, minb=0KiB/s, maxb=4,630KiB/s, mint=17025msec, maxt=17317msec

Disk stats (read/write):
  cciss!c0d0: ios=5186/2989, merge=831/50814, ticks=56708/1393112, in_queue=1449816, util=98.21%
4.12user 2.03system 0:17.64elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k
613384inputs+430384outputs (0major+2451minor)pagefaults 0swaps