fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [13.6% done] [ 12462/ 10138 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [18.2% done] [ 12727/ 10547 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [21.7% done] [ 17169/  4841 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [26.1% done] [ 13011/  7854 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [31.8% done] [  7008/ 13573 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [34.8% done] [  8643/ 10054 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [39.1% done] [ 11368/  6849 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [43.5% done] [ 10994/  6926 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [45.8% done] [  8688/  8029 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [50.0% done] [ 10168/  7935 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [54.2% done] [  6150/  8863 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [56.0% done] [  7028/  7813 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [60.0% done] [  6375/  6302 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [61.5% done] [  4726/  7028 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [63.0% done] [  7606/  2676 kb/s] [eta 00m:10s]
Threads: 3: [VVV] [69.2% done] [ 13364/  1158 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [76.0% done] [ 40972/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [83.3% done] [ 40439/     0 kb/s] [eta 00m:04s]
Threads: 2: [_VV] [95.5% done] [ 42292/     0 kb/s] [eta 00m:01s]
fio: (groupid=0): err= 0: pid=24391
  read : io=100MiB, bw=5,106KiB/s, runt= 20534msec
    slat (msec): min=    0, max= 3806, avg=569.50, stdev=1066.38
    clat (msec): min=    0, max=  289, avg=75.30, stdev=66.15
    bw (KiB/s) : min=   15, max=12458, per=36.06%, avg=5323.16, stdev=3033.68
  write: io=24,944KiB, bw=1,525KiB/s, runt= 16739msec
    slat (msec): min=    0, max=   92, avg= 1.43, stdev= 7.97
    clat (msec): min=    8, max=  302, avg=73.08, stdev=58.06
    bw (KiB/s) : min=    0, max= 8178, per=29.91%, avg=2367.64, stdev=2700.02
  cpu          : usr=8.03%, sys=0.64%, ctx=1120
  IO depths    : 1=0.3%, 2=1.2%, 4=43.8%, 8=54.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.1%, 4=0.1%, 10=2.7%, 20=15.1%, 50=29.4%, 100=25.8%
     lat (msec): 250=24.8%, 500=2.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=24392
  read : io=100MiB, bw=4,934KiB/s, runt= 21249msec
    slat (msec): min=    0, max= 4267, avg=1563.77, stdev=1507.86
    clat (msec): min=    0, max=  321, avg=47.69, stdev=63.82
    bw (KiB/s) : min=   10, max=28525, per=45.10%, avg=6656.74, stdev=7641.85
  write: io=64,652KiB, bw=3,890KiB/s, runt= 17017msec
    slat (msec): min=    0, max=   14, avg= 0.86, stdev= 1.84
    clat (msec): min=    4, max=  420, avg=83.70, stdev=62.53
    bw (KiB/s) : min=    0, max=11142, per=55.67%, avg=4406.68, stdev=3339.21
  cpu          : usr=9.62%, sys=0.64%, ctx=1344
  IO depths    : 1=0.1%, 2=1.3%, 4=45.5%, 8=53.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=1.4%, 4=3.0%, 10=17.6%, 20=15.5%, 50=18.7%, 100=22.4%
     lat (msec): 250=20.1%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=24393
  read : io=100MiB, bw=4,920KiB/s, runt= 21311msec
    slat (msec): min=    0, max= 3637, avg=967.07, stdev=1214.38
    clat (msec): min=    0, max=  293, avg=56.62, stdev=67.73
    bw (KiB/s) : min=  143, max=17899, per=43.40%, avg=6405.88, stdev=5081.83
  write: io=47,044KiB, bw=2,725KiB/s, runt= 17675msec
    slat (msec): min=    0, max=   76, avg= 0.86, stdev= 3.19
    clat (msec): min=    4, max=  605, avg=84.60, stdev=65.59
    bw (KiB/s) : min=    0, max= 8969, per=42.31%, avg=3349.43, stdev=2573.00
  cpu          : usr=8.62%, sys=0.62%, ctx=1330
  IO depths    : 1=0.1%, 2=1.1%, 4=44.6%, 8=54.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.6%, 4=1.4%, 10=12.1%, 20=19.5%, 50=21.8%, 100=21.6%
     lat (msec): 250=21.4%, 500=1.4%, 750=0.1%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,761KiB/s, minb=4,920KiB/s, maxb=5,106KiB/s, mint=20534msec, maxt=21311msec
  WRITE: io=133MiB, aggrb=7,916KiB/s, minb=1,525KiB/s, maxb=3,890KiB/s, mint=20534msec, maxt=21311msec

Disk stats (read/write):
  cciss!c0d0: ios=5230/2518, merge=1504/485, ticks=333560/369728, in_queue=703292, util=99.64%
5.58user 0.40system 0:21.50elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k
614400inputs+273312outputs (0major+2377minor)pagefaults 0swaps