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] [  8010/ 84894 kb/s] [eta 00m:03s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=15265, got signal=6
Threads: 2: [_mF] [50.0% done] [  5518/ 25455 kb/s] [eta 00m:04s]
Threads: 2: [_mF] [50.0% done] [  1838/     0 kb/s] [eta 00m:05s]
Threads: 2: [_mF] [54.5% done] [  1275/  7850 kb/s] [eta 00m:05s]
Threads: 2: [_mF] [70.0% done] [   276/ 19162 kb/s] [eta 00m:03s]
Threads: 2: [_FF] [100.0% done] [   687/   256 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] [70.0% done] [ 21797/     0 kb/s] [eta 00m:06s]
Threads: 2: [_VV] [93.8% done] [ 65975/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 64861/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15265
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=8.4%, 2=42.8%, 4=36.6%, 8=12.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=20.0%, 4=23.6%, 10=45.3%, 20=6.4%, 50=0.6%, 100=0.7%
     lat (msec): 250=3.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15266
  read : io=100MiB, bw=6,397KiB/s, runt= 16391msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  403, avg=39.26, stdev=70.61
    bw (KiB/s) : min=   32, max=43388, per=71.86%, avg=9352.37, stdev=12942.44
  write: io=77,992KiB, bw=5,833KiB/s, runt= 13691msec
    slat (msec): min=    0, max=    1, avg= 0.00, stdev= 0.03
    clat (msec): min=    0, max=  299, avg= 5.96, stdev=17.52
    bw (KiB/s) : min=    0, max=40370, per=64.75%, avg=12924.80, stdev=16078.82
  cpu          : usr=7.98%, sys=4.78%, ctx=5601
  IO depths    : 1=4.6%, 2=34.0%, 4=39.2%, 8=22.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=16.5%, 4=16.6%, 10=42.6%, 20=6.2%, 50=4.3%, 100=4.6%
     lat (msec): 250=6.9%, 500=2.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15267
  read : io=100MiB, bw=6,331KiB/s, runt= 16546msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  347, avg=18.20, stdev=39.15
    bw (KiB/s) : min=    2, max=42344, per=104.42%, avg=13590.27, stdev=16210.50
  write: io=92,080KiB, bw=6,887KiB/s, runt= 13691msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   99, avg= 3.89, stdev= 7.46
    bw (KiB/s) : min=    0, max=25528, per=89.25%, avg=17815.25, stdev=12123.26
  cpu          : usr=10.54%, sys=4.79%, ctx=5655
  IO depths    : 1=3.6%, 2=44.3%, 4=38.2%, 8=13.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=30.6%, 4=22.1%, 10=32.3%, 20=5.8%, 50=1.8%, 100=2.8%
     lat (msec): 250=4.2%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=205MiB, aggrb=13,015KiB/s, minb=0KiB/s, maxb=6,397KiB/s, mint=16391msec, maxt=16546msec
  WRITE: io=261MiB, aggrb=19,960KiB/s, minb=0KiB/s, maxb=6,887KiB/s, mint=16391msec, maxt=16546msec

Disk stats (read/write):
  cciss!c0d0: ios=4021/3627, merge=780/63049, ticks=30932/1438340, in_queue=1470220, util=92.84%
4.34user 1.96system 0:16.86elapsed 37%CPU (0avgtext+0avgdata 0maxresident)k
496704inputs+533776outputs (0major+2458minor)pagefaults 0swaps