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] [37.5% done] [  3888/ 77702 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [50.0% done] [  1126/ 39410 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [62.5% done] [  1134/ 17071 kb/s] [eta 00m:03s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [FFF] [100.0% done] [   707/ 11600 kb/s] [eta 00m:00s]
fio: pid=17921, got signal=6
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: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [77.8% done] [ 50777/     0 kb/s] [eta 00m:04s]
Threads: 2: [V_V] [100.0% done] [ 65064/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 60288/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=17920
  read : io=100MiB, bw=6,644KiB/s, runt= 15779msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  383, avg=16.97, stdev=45.32
    bw (KiB/s) : min=    8, max=53764, per=122.01%, avg=16343.80, stdev=19848.18
  write: io=93,060KiB, bw=7,193KiB/s, runt= 13247msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  294, avg= 1.83, stdev=15.99
    bw (KiB/s) : min=    0, max=59736, per=113.71%, avg=24481.00, stdev=25215.80
  cpu          : usr=12.04%, sys=5.15%, ctx=8520
  IO depths    : 1=20.9%, 2=45.1%, 4=25.0%, 8=8.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=53.5%, 4=15.6%, 10=20.8%, 20=3.9%, 50=1.0%, 100=1.2%
     lat (msec): 250=3.3%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17921
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=46.6%, 2=43.0%, 4=2.7%, 8=7.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=87.0%, 4=2.2%, 10=0.7%, 20=0.1%, 50=0.3%, 100=0.8%
     lat (msec): 250=5.0%, 500=3.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17922
  read : io=100MiB, bw=6,373KiB/s, runt= 16453msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  381, avg=17.28, stdev=45.52
    bw (KiB/s) : min=   18, max=53712, per=150.27%, avg=20128.70, stdev=18084.59
  write: io=93,604KiB, bw=7,235KiB/s, runt= 13248msec
    slat (msec): min=    0, max=    2, avg= 0.00, stdev= 0.08
    clat (msec): min=    0, max=  175, avg= 1.26, stdev= 9.72
    bw (KiB/s) : min=    0, max=57940, per=153.36%, avg=33018.50, stdev=27688.71
  cpu          : usr=11.77%, sys=4.89%, ctx=9142
  IO depths    : 1=28.8%, 2=36.1%, 4=26.1%, 8=9.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=54.4%, 4=14.2%, 10=20.9%, 20=4.7%, 50=0.9%, 100=1.2%
     lat (msec): 250=3.4%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=210MiB, aggrb=13,395KiB/s, minb=0KiB/s, maxb=6,644KiB/s, mint=16453msec, maxt=16453msec
  WRITE: io=272MiB, aggrb=21,530KiB/s, minb=0KiB/s, maxb=7,235KiB/s, mint=16453msec, maxt=16453msec

Disk stats (read/write):
  cciss!c0d0: ios=3893/3866, merge=1033/65734, ticks=34088/1683720, in_queue=1721328, util=97.15%
5.31user 2.02system 0:16.74elapsed 43%CPU (0avgtext+0avgdata 0maxresident)k
489144inputs+557272outputs (0major+2464minor)pagefaults 0swaps