ZFS raid0 rw5050

raid0-zfs-rw5050.txt

rw5050: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=mmap, iodepth=32
...
fio-2.1.9
Starting 4 processes

rw5050: (groupid=0, jobs=4): err= 0: pid=59210: Wed Jun 18 05:18:19 2014
  Description  : ["random 50/50"]
  read : io=5520.9MB, bw=9420.1KB/s, iops=2355, runt=600001msec
    clat (usec): min=1, max=820797, avg=847.57, stdev=2445.02
     lat (usec): min=2, max=820797, avg=847.76, stdev=2445.03
    clat percentiles (usec):
     |  1.00th=[    9],  5.00th=[   13], 10.00th=[  350], 20.00th=[  394],
     | 30.00th=[  442], 40.00th=[  506], 50.00th=[  564], 60.00th=[  612],
     | 70.00th=[  676], 80.00th=[  796], 90.00th=[ 1656], 95.00th=[ 2672],
     | 99.00th=[ 4192], 99.50th=[13248], 99.90th=[15168], 99.95th=[15424],
     | 99.99th=[16768]
    bw (KB  /s): min=  229, max= 4568, per=25.07%, avg=2361.92, stdev=594.82
  write: io=5516.9MB, bw=9415.4KB/s, iops=2353, runt=600001msec
    clat (usec): min=2, max=819345, avg=846.29, stdev=1780.67
     lat (usec): min=2, max=819345, avg=846.53, stdev=1780.68
    clat percentiles (usec):
     |  1.00th=[    9],  5.00th=[   16], 10.00th=[  354], 20.00th=[  394],
     | 30.00th=[  446], 40.00th=[  510], 50.00th=[  564], 60.00th=[  612],
     | 70.00th=[  684], 80.00th=[  804], 90.00th=[ 1656], 95.00th=[ 2672],
     | 99.00th=[ 4192], 99.50th=[13120], 99.90th=[15168], 99.95th=[15424],
     | 99.99th=[17024]
    bw (KB  /s): min=    0, max= 4592, per=25.05%, avg=2358.59, stdev=593.17
    lat (usec) : 2=0.01%, 4=0.01%, 10=1.59%, 20=4.37%, 50=0.88%
    lat (usec) : 100=0.09%, 250=0.01%, 500=31.63%, 750=38.06%, 1000=8.46%
    lat (msec) : 2=6.41%, 4=7.45%, 10=0.30%, 20=0.74%, 50=0.01%
    lat (msec) : 100=0.01%, 1000=0.01%
  cpu          : usr=0.49%, sys=4.31%, ctx=2914941, majf=2862695, minf=228
  IO depths    : 1=101.3%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=1413141/w=1412310/d=0, short=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32

Run status group 0 (all jobs):
   READ: io=5520.9MB, aggrb=9420KB/s, minb=9420KB/s, maxb=9420KB/s, mint=600001msec, maxt=600001msec
  WRITE: io=5516.9MB, aggrb=9415KB/s, minb=9415KB/s, maxb=9415KB/s, mint=600001msec, maxt=600001msec