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16 Sizing and Best Practices for Online Transaction Processing Applications with Oracle 11g R2 using Dell PS Series | BP1003
Key findings from the test results are summarized as follows:
 As expected, average IOPS increased with the queue depth.
 The PS6010XV array in a RAID 10 configuration produced approximately 4,000 IOPS for OLTP-type
transactions while staying within the generally accepted disk latency limit of 20 ms (for both read and
write IOPS).
 For block sizes as large as 64K, a single PS6010XV array is able to sustain approximately 3,000
IOPS for a typical OLTP workload.
5.2 PS6010S array test
The key results from ORION tests executed on the PS6010S array are shown in Figure 5.
ORION test performance on PS6010S (SSD)
IOPS
Disk latency (ms)
8K IOPS (100% read)
8K IOPS (70/30 R/W)
8K latency (100% read)
8K latency (70/30 R/W)
Increasing queue depth
40,000
35,000
30,000
25,000
20,000
15,000
10,000
5,000
0
20
18
16
14
12
10
8
6
4
2
0