We precondition the drive for 16,000 seconds, or 4.44 hours, receiving performance data every second. We plot this data to observe the test subjects decent into steady state. We plot both IOPS and Latency. We plot IOPS (represented by blue scatter) in thousands and Latency (represented by orange scatter) in milliseconds. Steady state is achieved at 6,000 seconds.
An On-Line Transaction Processing (OLTP) / Database workload is a demanding 8K test with a 66/33 percent R/W distribution. OLPT is online processing of financial transactions such as credit cards and high frequency trading in the financial sector. Database workloads are challenging for any storage solution.
In a similar fashion to what we saw from our Email Server results, both drives outperform one another at different queue depths. This time, however, the M510DC outperforms the 850DC EVO for the majority of the test. The M510DC outperforms the 845DC EVO at QD1-8 and the 845DC EVO outperforms the M510DC at QD16-32. The M510DC has its largest performance advantage at QD4. The 845DC has its largest performance advantage at QD32.
Conclusion: The M510DC outperforms the 845DC at lower queue depths. The 845DC EVO outperforms the M510DC at higher queue depths.
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- Page 1 [Introduction and Quick Specs]
- Page 2 [Micron M510DC 480GB Internals and Specifications]
- Page 3 [Test System and Methodology]
- Page 4 [Benchmarks - 4K Random Write/Read]
- Page 5 [Benchmarks - 8K Random Write/Read]
- Page 6 [Benchmarks - 128K Sequential Write/Read]
- Page 7 [Mixed Workload Benchmarks - Email Server]
- Page 8 [Mixed Workload Benchmarks - OLTP/Database]
- Page 9 [Mixed Workload Benchmarks - Web Server]
- Page 10 [Final Thoughts]