# Perf Tests

Several hosts, WD Labs Pi Drive 250Gb

## Host A: Orange Pi Pc v1.2

ARMBIAN 5.25 stable Ubuntu 16.04.2 LTS 4.10.0-sun8i
```
uname -a
Linux orangepipc 4.10.0-sun8i #3 SMP Thu Feb 23 19:57:03 CET 2017 armv7l armv7l armv7l GNU/Linux
```

### Local test

Pi Drive mounted /mnt/temp

```
fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=/mnt/temp/test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
```

```
test: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.2.10
Starting 1 process
test: Laying out IO file(s) (1 file(s) / 4096MB)
Jobs: 1 (f=1): [m(1)] [1.6% done] [383KB/115KB/0KB /s] [95/28/0 iops] [eta 02h:17m:35s]
```

Stopped at 16% :
```
test: (groupid=0, jobs=1): err= 0: pid=6837: Mon Mar 27 20:56:41 2017
  read : io=507076KB, bw=378544B/s, iops=92, runt=1371691msec
  write: io=170612KB, bw=127365B/s, iops=31, runt=1371691msec
  cpu          : usr=0.40%, sys=1.63%, ctx=175776, majf=0, minf=16
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     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=0.1%, >=64=0.0%
     issued    : total=r=126769/w=42653/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=64

Run status group 0 (all jobs):
   READ: io=507076KB, aggrb=369KB/s, minb=369KB/s, maxb=369KB/s, mint=1371691msec, maxt=1371691msec
  WRITE: io=170612KB, aggrb=124KB/s, minb=124KB/s, maxb=124KB/s, mint=1371691msec, maxt=1371691msec

Disk stats (read/write):
  sda: ios=126735/70862, merge=10/585, ticks=65861710/24330590, in_queue=90221630, util=100.00%
```


```
fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=/mnt/temp/test --bs=4k --iodepth=8 --size=1G --readwrite=randrw --rwmixread=75
```

```
test: (groupid=0, jobs=1): err= 0: pid=7089: Mon Mar 27 21:16:00 2017
  read : io=472068KB, bw=449221B/s, iops=109, runt=1076078msec
  write: io=158380KB, bw=150715B/s, iops=36, runt=1076078msec
  cpu          : usr=0.48%, sys=1.67%, ctx=165584, majf=0, minf=16
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=100.0%, 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=0.1%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=118017/w=39595/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=8

Run status group 0 (all jobs):
   READ: io=472068KB, aggrb=438KB/s, minb=438KB/s, maxb=438KB/s, mint=1076078msec, maxt=1076078msec
  WRITE: io=158380KB, aggrb=147KB/s, minb=147KB/s, maxb=147KB/s, mint=1076078msec, maxt=1076078msec

Disk stats (read/write):
  sda: ios=118009/40883, merge=6/223, ticks=6634320/2025830, in_queue=8659860, util=100.00%
```

## As a comparison

### Sandisk Ultra SSD on Ubuntu - Dell Precision M4300
Read 20390KB/s - iops 5097
Write 6846KB/s - iops 1711

## WD RED 3T - software RAID 1 - Core i7, Debian
Read 732683B/s - iops 178
Wrtie 245553B/s - iops 59