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: [mFm] [60.0% done] [ 11747/ 91320 kb/s] [eta 00m:02s]
Threads: 3: [mFF] [66.7% done] [  1198/ 29492 kb/s] [eta 00m:02s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=18443, got signal=6
Threads: 2: [_FF] [100.0% done] [  2997/     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] [75.0% done] [ 14872/     0 kb/s] [eta 00m:04s]
Threads: 2: [_VV] [92.9% done] [ 66207/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 58973/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=18443
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=75.2%, 4=6.2%, 8=18.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=62.2%, 4=11.8%, 10=2.2%, 20=1.7%, 50=9.1%, 100=8.0%
     lat (msec): 250=4.1%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=18444
  read : io=100MiB, bw=7,246KiB/s, runt= 14464msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  336, avg=17.20, stdev=39.59
    bw (KiB/s) : min=    0, max=45104, per=130.33%, avg=19881.30, stdev=17705.95
  write: io=92,400KiB, bw=8,065KiB/s, runt= 11731msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   81, avg= 0.65, stdev= 4.13
    bw (KiB/s) : min=    0, max=63304, per=128.03%, avg=29311.33, stdev=31910.58
  cpu          : usr=10.79%, sys=5.31%, ctx=6752
  IO depths    : 1=9.6%, 2=54.5%, 4=25.9%, 8=10.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.4%, 4=15.5%, 10=22.3%, 20=3.7%, 50=0.7%, 100=2.5%
     lat (msec): 250=3.3%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=18445
  read : io=100MiB, bw=7,029KiB/s, runt= 14917msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  218, avg=21.28, stdev=44.50
    bw (KiB/s) : min=    3, max=43518, per=108.80%, avg=16596.08, stdev=13926.73
  write: io=84,988KiB, bw=7,418KiB/s, runt= 11731msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  171, avg= 0.71, stdev= 8.80
    bw (KiB/s) : min=    0, max=58408, per=147.80%, avg=33839.00, stdev=30287.35
  cpu          : usr=9.33%, sys=4.67%, ctx=10542
  IO depths    : 1=43.4%, 2=18.2%, 4=26.4%, 8=12.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=53.9%, 4=12.6%, 10=20.4%, 20=3.1%, 50=2.3%, 100=3.8%
     lat (msec): 250=3.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=217MiB, aggrb=15,254KiB/s, minb=0KiB/s, maxb=7,246KiB/s, mint=14464msec, maxt=14917msec
  WRITE: io=256MiB, aggrb=22,895KiB/s, minb=0KiB/s, maxb=8,065KiB/s, mint=14464msec, maxt=14917msec

Disk stats (read/write):
  cciss!c0d0: ios=4373/3036, merge=994/62550, ticks=32440/1363504, in_queue=1396356, util=97.28%
4.23user 1.83system 0:15.23elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
523032inputs+524608outputs (0major+2450minor)pagefaults 0swaps