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] [15.0% done] [  7132/ 16293 kb/s] [eta 00m:17s]
Threads: 3: [mmF] [28.6% done] [  6305/ 18179 kb/s] [eta 00m:10s]
Threads: 2: [mm_] [29.4% done] [  5954/     0 kb/s] [eta 00m:12s]
Threads: 2: [mm_] [50.0% done] [ 10590/ 49892 kb/s] [eta 00m:06s]
Threads: 2: [Fm_] [58.3% done] [  9599/ 22470 kb/s] [eta 00m:05s]
Threads: 2: [Fm_] [57.1% done] [  1480/     0 kb/s] [eta 00m:06s]
Threads: 2: [Fm_] [60.0% done] [  1319/     0 kb/s] [eta 00m:06s]
Threads: 2: [FF_] [100.0% done] [   862/ 14387 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [75.0% done] [ 17600/     0 kb/s] [eta 00m:04s]
Threads: 2: [VV_] [86.7% done] [ 33508/     0 kb/s] [eta 00m:02s]
Threads: 2: [VV_] [93.3% done] [ 35773/     0 kb/s] [eta 00m:01s]
fio: (groupid=0): err= 0: pid=17307
  read : io=100MiB, bw=6,793KiB/s, runt= 15433msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  418, avg=43.09, stdev=63.91
    bw (KiB/s) : min=   17, max=21101, per=70.24%, avg=9435.85, stdev=7293.67
  write: io=65,320KiB, bw=5,594KiB/s, runt= 11956msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  239, avg= 1.60, stdev=11.39
    bw (KiB/s) : min=    0, max=26435, per=54.12%, avg=10430.00, stdev=14071.70
  cpu          : usr=9.36%, sys=3.84%, ctx=3315
  IO depths    : 1=3.8%, 2=53.0%, 4=26.3%, 8=17.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=41.5%, 4=5.1%, 10=15.3%, 20=15.8%, 50=5.2%, 100=10.0%
     lat (msec): 250=5.6%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17308
  read : io=100MiB, bw=6,717KiB/s, runt= 15609msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  443, avg=59.34, stdev=77.78
    bw (KiB/s) : min=  106, max=20317, per=53.70%, avg=7214.65, stdev=6058.53
  write: io=57,840KiB, bw=4,942KiB/s, runt= 11984msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  226, avg= 2.46, stdev=15.98
    bw (KiB/s) : min=    0, max= 9667, per=27.06%, avg=5215.00, stdev=4878.46
  cpu          : usr=8.07%, sys=3.51%, ctx=3313
  IO depths    : 1=3.6%, 2=47.0%, 4=27.4%, 8=22.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=34.1%, 4=5.1%, 10=13.6%, 20=15.1%, 50=8.7%, 100=12.0%
     lat (msec): 250=8.1%, 500=3.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17309
  read : io=0KiB, bw=0KiB/s, runt=  5194msec
  write: io=100MiB, bw=20,448KiB/s, runt=  5128msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=    7, avg= 0.65, stdev= 1.04
    bw (KiB/s) : min=    0, max=77463, per=258.37%, avg=49795.00, stdev=34108.05
  cpu          : usr=29.88%, sys=8.70%, ctx=1726
  IO depths    : 1=0.2%, 2=96.2%, 4=3.6%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=81.8%, 4=15.5%, 10=2.2%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=200MiB, aggrb=13,434KiB/s, minb=0KiB/s, maxb=6,793KiB/s, mint=5194msec, maxt=15609msec
  WRITE: io=220MiB, aggrb=19,273KiB/s, minb=4,942KiB/s, maxb=20,448KiB/s, mint=5194msec, maxt=15609msec

Disk stats (read/write):
  cciss!c0d0: ios=2675/2710, merge=3605/53728, ticks=40348/1123708, in_queue=1164056, util=95.50%
4.31user 1.68system 0:15.95elapsed 37%CPU (0avgtext+0avgdata 0maxresident)k
546688inputs+451144outputs (0major+2403minor)pagefaults 0swaps