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] [42.9% done] [ 14758/ 31691 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [50.0% done] [ 11608/ 72719 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [62.5% done] [  4075/ 19052 kb/s] [eta 00m:03s]
Threads: 3: [mmF] [66.7% done] [  2137/     0 kb/s] [eta 00m:03s]
Threads: 3: [FFF] [100.0% done] [  1525/ 11018 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]
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]
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]
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=1115, got signal=6
Threads: 2: [V_V] [88.2% done] [ 53227/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_V] [100.0% done] [ 61850/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=1114
  read : io=100MiB, bw=6,179KiB/s, runt= 16968msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  447, avg=34.37, stdev=62.97
    bw (KiB/s) : min=    0, max=31574, per=77.23%, avg=10440.11, stdev=12202.53
  write: io=80,216KiB, bw=5,799KiB/s, runt= 14163msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  222, avg= 1.76, stdev=12.35
    bw (KiB/s) : min=    0, max=17071, per=47.88%, avg=8725.50, stdev=6978.90
  cpu          : usr=9.88%, sys=4.17%, ctx=8789
  IO depths    : 1=26.0%, 2=31.9%, 4=25.6%, 8=16.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.0%, 4=13.1%, 10=19.5%, 20=5.2%, 50=4.2%, 100=5.2%
     lat (msec): 250=6.1%, 500=1.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1115
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=45.2%, 2=33.0%, 4=3.9%, 8=18.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=72.1%, 4=6.0%, 10=0.4%, 20=0.3%, 50=4.0%, 100=7.8%
     lat (msec): 250=7.6%, 500=1.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1116
  read : io=100MiB, bw=6,133KiB/s, runt= 17096msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  279, avg=20.37, stdev=44.65
    bw (KiB/s) : min=    1, max=36946, per=122.95%, avg=16621.18, stdev=15517.43
  write: io=90,368KiB, bw=6,533KiB/s, runt= 14163msec
    slat (msec): min=    0, max=    1, avg= 0.00, stdev= 0.03
    clat (msec): min=    0, max=  138, avg= 0.65, stdev= 7.77
    bw (KiB/s) : min=    0, max=54263, per=117.29%, avg=21375.50, stdev=23165.80
  cpu          : usr=10.60%, sys=4.23%, ctx=12220
  IO depths    : 1=52.3%, 2=13.6%, 4=24.3%, 8=9.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=58.3%, 4=10.8%, 10=20.0%, 20=2.5%, 50=0.6%, 100=2.5%
     lat (msec): 250=4.5%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=220MiB, aggrb=13,519KiB/s, minb=0KiB/s, maxb=6,179KiB/s, mint=17096msec, maxt=17096msec
  WRITE: io=246MiB, aggrb=18,224KiB/s, minb=0KiB/s, maxb=6,533KiB/s, mint=17096msec, maxt=17096msec

Disk stats (read/write):
  cciss!c0d0: ios=4418/3439, merge=805/59570, ticks=37460/1500448, in_queue=1537908, util=94.71%
4.85user 2.02system 0:17.42elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
530824inputs+504152outputs (0major+2457minor)pagefaults 0swaps