Databases Reference
In-Depth Information
The raw data for this test is shown in Table 12-6.
Table 12-6: Single-Disk Test Results
Read/Write
Sequential/Random
Block Size
IOPS
MB/Sec
Avg Latency
W
random
8
310.10
2.42
2
W
random
16
298.30
4.66
2
W
random
32
278.50
8.70
3
W
random
64
234.80
14.67
3
W
random
128
149.69
18.71
6
W
random
256
99.40
24.85
9
W
random
512
65.00
32.50
14
W
random
1,024
40.03
40.03
24
W
random
2,048
20.46
40.93
48
W
random
4,096
12.32
49.28
80
W
random
8,192
6.57
52.63
151
R
random
8
130.69
1.02
7
R
random
16
130.00
2.03
7
R
random
32
123.60
3.86
7
R
random
64
117.40
7.33
8
R
random
128
102.50
12.81
9
R
random
256
85.50
21.37
11
R
random
512
61.50
30.75
15
R
random
1,024
40.40
40.40
24
R
random
2,048
23.72
47.45
41
R
random
4,096
12.93
51.75
76
R
random
8,192
6.87
55.02
144
R
sequential
8
5,586.80
43.64
0
Continued
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