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] [50.0% done] [ 12877/ 48774 kb/s] [eta 00m:03s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=2028, got signal=6
Threads: 2: [Fm_] [66.7% done] [  9237/ 56148 kb/s] [eta 00m:02s]
Threads: 2: [FF_] [100.0% done] [   264/  6809 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: [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_] [73.7% done] [ 17750/     0 kb/s] [eta 00m:05s]
Threads: 2: [VV_] [93.8% done] [ 67634/     0 kb/s] [eta 00m:01s]
Threads: 2: [VV_] [100.0% done] [ 68798/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=2026
  read : io=100MiB, bw=6,457KiB/s, runt= 16236msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  139, avg=20.60, stdev=34.55
    bw (KiB/s) : min=    0, max=39570, per=117.67%, avg=16045.55, stdev=16068.89
  write: io=85,492KiB, bw=6,393KiB/s, runt= 13692msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  118, avg= 1.04, stdev= 6.02
    bw (KiB/s) : min=    0, max=58957, per=127.36%, avg=24242.67, stdev=30841.92
  cpu          : usr=9.81%, sys=5.08%, ctx=6428
  IO depths    : 1=8.3%, 2=53.6%, 4=24.0%, 8=14.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.3%, 4=14.6%, 10=20.5%, 20=1.8%, 50=2.9%, 100=6.1%
     lat (msec): 250=3.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2027
  read : io=100MiB, bw=6,399KiB/s, runt= 16384msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  238, avg=22.37, stdev=38.93
    bw (KiB/s) : min=   15, max=37216, per=91.70%, avg=12504.54, stdev=12869.18
  write: io=80,180KiB, bw=5,996KiB/s, runt= 13691msec
    slat (msec): min=    0, max=    2, avg= 0.00, stdev= 0.05
    clat (msec): min=    0, max=  175, avg= 1.85, stdev=10.44
    bw (KiB/s) : min=    0, max=26136, per=93.91%, avg=17876.25, stdev=12076.06
  cpu          : usr=10.82%, sys=4.57%, ctx=6372
  IO depths    : 1=4.4%, 2=56.1%, 4=24.3%, 8=15.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.2%, 4=17.3%, 10=17.7%, 20=3.8%, 50=4.0%, 100=4.7%
     lat (msec): 250=5.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2028
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=82.7%, 4=6.1%, 8=10.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=66.5%, 4=18.4%, 10=1.8%, 20=0.2%, 50=1.7%, 100=6.3%
     lat (msec): 250=4.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=213MiB, aggrb=13,636KiB/s, minb=0KiB/s, maxb=6,457KiB/s, mint=0msec, maxt=16384msec
  WRITE: io=249MiB, aggrb=19,035KiB/s, minb=0KiB/s, maxb=6,393KiB/s, mint=0msec, maxt=16384msec

Disk stats (read/write):
  cciss!c0d0: ios=2697/3462, merge=4414/60109, ticks=234136/1453568, in_queue=1694672, util=95.47%
4.89user 2.06system 0:16.70elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
519168inputs+509192outputs (0major+2453minor)pagefaults 0swaps