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 2,600 seconds.
An Email Server workload is a demanding 8K test with a 50 percent R/W distribution. This application gives a good indication of how well a drive will perform in a write heavy workload environment.
The M510DC delivers superior performance from QD1-4. The EVO takes charge from QD8-32. At QD32, the EVO is averaging 13,797 IOPS, the M510DC 11,052 IOPS. The largest gap in performance between the drives occurs at QD32. Both drives have the lead for half of the test. At QD2, the M510DC is outperforming the 845DC EVO by an average of 2,436 IOPS. At QD32, the 845DC EVO is outperforming the M510DC by an average of 2,745 IOPS.
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]