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] [15.8% done] [  9289/     0 kb/s] [eta 00m:16s]
Threads: 3: [mmF] [19.0% done] [  5591/ 55072 kb/s] [eta 00m:17s]
Threads: 3: [mmF] [33.3% done] [  3953/ 18625 kb/s] [eta 00m:10s]
Threads: 3: [mFF] [54.5% done] [   728/ 32674 kb/s] [eta 00m:05s]
Threads: 3: [mFF] [63.6% done] [  1281/ 18690 kb/s] [eta 00m:04s]
Threads: 3: [FFF] [100.0% done] [     0/  5157 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: 2: [VV_] [68.8% done] [  1288/     0 kb/s] [eta 00m:05s]
Threads: 2: [VV_] [85.7% done] [ 59703/     0 kb/s] [eta 00m:02s]
Threads: 2: [VV_] [100.0% done] [ 55456/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=22343
  read : io=100MiB, bw=7,650KiB/s, runt= 13701msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  391, avg=36.61, stdev=63.37
    bw (KiB/s) : min=   20, max=33234, per=73.39%, avg=11123.06, stdev=10823.56
  write: io=69,396KiB, bw=6,465KiB/s, runt= 10991msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  179, avg= 1.55, stdev=11.41
    bw (KiB/s) : min=    0, max=56549, per=96.84%, avg=23031.67, stdev=29696.96
  cpu          : usr=9.75%, sys=5.96%, ctx=8497
  IO depths    : 1=30.1%, 2=24.8%, 4=27.7%, 8=17.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.6%, 4=12.2%, 10=22.2%, 20=5.4%, 50=1.3%, 100=3.2%
     lat (msec): 250=9.4%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=22344
  read : io=100MiB, bw=7,577KiB/s, runt= 13827msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  291, avg=29.32, stdev=54.07
    bw (KiB/s) : min=   27, max=34038, per=84.43%, avg=12797.60, stdev=13713.96
  write: io=83,492KiB, bw=7,778KiB/s, runt= 10991msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  104, avg= 1.42, stdev= 6.37
    bw (KiB/s) : min=    0, max=61513, per=95.62%, avg=22741.75, stdev=26825.68
  cpu          : usr=12.56%, sys=5.87%, ctx=5553
  IO depths    : 1=1.1%, 2=58.5%, 4=27.5%, 8=12.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=43.1%, 4=16.2%, 10=25.9%, 20=3.1%, 50=0.7%, 100=1.7%
     lat (msec): 250=8.7%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=22345
  read : io=0KiB, bw=0KiB/s, runt= 10991msec
  write: io=100MiB, bw=9,599KiB/s, runt= 10923msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=    4, avg= 0.00, stdev= 0.10
    bw (KiB/s) : min=    0, max=58056, per=161.76%, avg=38472.00, stdev=33319.55
  cpu          : usr=10.81%, sys=4.26%, ctx=9080
  IO depths    : 1=99.8%, 2=0.2%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.6%, 4=0.0%, 10=0.1%, 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=15,157KiB/s, minb=0KiB/s, maxb=7,650KiB/s, mint=10991msec, maxt=13827msec
  WRITE: io=249MiB, aggrb=23,784KiB/s, minb=6,465KiB/s, maxb=9,599KiB/s, mint=10991msec, maxt=13827msec

Disk stats (read/write):
  cciss!c0d0: ios=4439/2979, merge=896/60813, ticks=36596/1340392, in_queue=1376980, util=98.04%
4.31user 2.22system 0:14.12elapsed 46%CPU (0avgtext+0avgdata 0maxresident)k
542368inputs+510600outputs (0major+2423minor)pagefaults 0swaps