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
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=12887, got signal=6
Threads: 2: [_Fm] [60.0% done] [  1718/110628 kb/s] [eta 00m:02s]
Threads: 2: [_Fm] [57.1% done] [  1895/  2981 kb/s] [eta 00m:03s]
Threads: 2: [_Fm] [71.4% done] [   463/ 18659 kb/s] [eta 00m:02s]
Threads: 2: [_FF] [100.0% done] [   581/  1285 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: [_VF] [75.0% done] [  7497/     0 kb/s] [eta 00m:04s]
Threads: 2: [_VV] [92.9% done] [ 59105/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 65255/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12887
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=39.2%, 2=49.7%, 4=3.5%, 8=7.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=88.1%, 4=1.9%, 10=0.6%, 20=0.3%, 50=1.3%, 100=4.8%
     lat (msec): 250=2.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12888
  read : io=100MiB, bw=6,989KiB/s, runt= 15000msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  337, avg=14.24, stdev=41.82
    bw (KiB/s) : min=   22, max=52625, per=144.41%, avg=21610.43, stdev=20140.93
  write: io=99,008KiB, bw=8,565KiB/s, runt= 11836msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  144, avg= 1.05, stdev= 6.35
    bw (KiB/s) : min=    0, max=61956, per=178.26%, avg=40651.33, stdev=35218.70
  cpu          : usr=11.44%, sys=5.17%, ctx=7291
  IO depths    : 1=12.2%, 2=54.5%, 4=25.9%, 8=7.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.0%, 4=19.8%, 10=22.1%, 20=2.6%, 50=0.5%, 100=0.6%
     lat (msec): 250=2.8%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12889
  read : io=100MiB, bw=7,254KiB/s, runt= 14451msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  407, avg=26.36, stdev=62.45
    bw (KiB/s) : min=    9, max=48362, per=88.82%, avg=13292.27, stdev=18266.98
  write: io=85,192KiB, bw=7,139KiB/s, runt= 12219msec
    slat (msec): min=    0, max=    3, avg= 0.00, stdev= 0.08
    clat (msec): min=    0, max=  255, avg= 2.13, stdev=15.73
    bw (KiB/s) : min=    0, max=54304, per=85.70%, avg=19543.00, stdev=20672.40
  cpu          : usr=12.43%, sys=5.12%, ctx=11439
  IO depths    : 1=52.2%, 2=14.1%, 4=22.4%, 8=11.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=58.2%, 4=9.8%, 10=17.9%, 20=4.3%, 50=1.2%, 100=2.4%
     lat (msec): 250=4.8%, 500=1.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=214MiB, aggrb=14,965KiB/s, minb=0KiB/s, maxb=7,254KiB/s, mint=14451msec, maxt=15000msec
  WRITE: io=266MiB, aggrb=22,805KiB/s, minb=0KiB/s, maxb=8,565KiB/s, mint=14451msec, maxt=15000msec

Disk stats (read/write):
  cciss!c0d0: ios=4090/3807, merge=994/64191, ticks=31500/1410236, in_queue=1442136, util=97.61%
4.61user 1.89system 0:15.31elapsed 42%CPU (0avgtext+0avgdata 0maxresident)k
511328inputs+544312outputs (0major+2455minor)pagefaults 0swaps