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: [FmF] [15.8% done] [  4978/ 41427 kb/s] [eta 00m:16s]
Threads: 3: [FmF] [19.0% done] [  5267/     0 kb/s] [eta 00m:17s]
Threads: 3: [FmF] [33.3% done] [  2442/ 17777 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [33.3% done] [  2290/     0 kb/s] [eta 00m:12s]
Threads: 3: [FmF] [35.0% done] [  2599/     0 kb/s] [eta 00m:13s]
Threads: 3: [FmF] [47.1% done] [  2009/ 16729 kb/s] [eta 00m:09s]
Threads: 3: [FFF] [100.0% done] [   846/ 30498 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_] [80.0% done] [ 54259/     0 kb/s] [eta 00m:03s]
Threads: 2: [VV_] [100.0% done] [ 55139/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=31139
  read : io=100MiB, bw=7,518KiB/s, runt= 13936msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  175, avg=14.88, stdev=33.74
    bw (KiB/s) : min=    8, max=51109, per=151.21%, avg=22746.50, stdev=16493.55
  write: io=93,092KiB, bw=8,629KiB/s, runt= 11047msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   80, avg= 0.68, stdev= 3.10
    bw (KiB/s) : min=    0, max=61554, per=169.60%, avg=40634.67, stdev=35195.80
  cpu          : usr=12.51%, sys=5.22%, ctx=8526
  IO depths    : 1=17.0%, 2=56.8%, 4=19.1%, 8=7.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=59.3%, 4=16.1%, 10=15.4%, 20=2.4%, 50=1.0%, 100=0.8%
     lat (msec): 250=4.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=31140
  read : io=100MiB, bw=7,570KiB/s, runt= 13850msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  411, avg=50.24, stdev=85.83
    bw (KiB/s) : min=   70, max=31673, per=55.82%, avg=8396.81, stdev=9346.39
  write: io=63,944KiB, bw=5,905KiB/s, runt= 11088msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  227, avg= 2.87, stdev=19.36
    bw (KiB/s) : min=    0, max=59596, per=85.34%, avg=20446.75, stdev=26980.14
  cpu          : usr=9.24%, sys=4.48%, ctx=5942
  IO depths    : 1=0.9%, 2=51.9%, 4=27.4%, 8=19.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=41.8%, 4=12.5%, 10=22.4%, 20=6.1%, 50=1.2%, 100=3.6%
     lat (msec): 250=9.1%, 500=3.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=31141
  read : io=0KiB, bw=0KiB/s, runt= 11111msec
  write: io=100MiB, bw=9,495KiB/s, runt= 11043msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=57728, per=160.02%, avg=38338.00, stdev=33202.42
  cpu          : usr=10.87%, sys=3.96%, ctx=9218
  IO depths    : 1=99.9%, 2=0.1%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.8%, 4=0.0%, 10=0.0%, 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=15,043KiB/s, minb=0KiB/s, maxb=7,570KiB/s, mint=11111msec, maxt=13936msec
  WRITE: io=253MiB, aggrb=23,959KiB/s, minb=5,905KiB/s, maxb=9,495KiB/s, mint=11111msec, maxt=13936msec

Disk stats (read/write):
  cciss!c0d0: ios=4239/3066, merge=1003/61651, ticks=38888/1330756, in_queue=1370488, util=97.97%
4.32user 1.92system 0:14.27elapsed 43%CPU (0avgtext+0avgdata 0maxresident)k
526712inputs+518896outputs (0major+2430minor)pagefaults 0swaps