70/30 Mixed Workload Test (Sledgehammer)
Version and / or Patch Used: Iometer 2014
Heavy Workload Model
This test hammers a drive so hard we've dubbed it "Sledgehammer". Our 70/30 Mixed Workload test is designed to simulate a heavy-duty enthusiast/workstation steady-state environment. We feel that a mix of 70% read/30% write, full random 4K transfers best represents this type of user environment. Our test allows us to see the drive enter into and reach a steady state as the test progresses.
Phase one of the test preconditions the drive for 1 hour with 128K sequential writes. Phase two of the test runs a 70% read/30% write, full random 4K transfer workload on the drive for 1 hour. We log and chart (phase two) IOPS data at 5-second intervals for 1 hour (720 data points). 60 data points = 5 minutes.
What we like about this test is that it reflects reality. Everything lines up, as it should. Consumer drives don't outperform Enterprise-Class SSDs that were designed for enterprise workloads. Consumer drives based on old technology are not outperforming modern Performance-Class SSDs, etc.
The 1TB VX500 manages a third place in this test. Corsair's double the DRAM XTi wins this test, followed by Samsung's 850 Pro.
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- Page 1 [Introduction, Specifications, Pricing & Availability]
- Page 2 [Drive Details]
- Page 3 [Test System Setup and Properties]
- Page 4 [Synthetic Benchmarks – ATTO & Anvil's]
- Page 5 [Synthetic Benchmarks – CDM & AS SSD]
- Page 6 [Benchmarks (Trace, OS Volume) - Vantage, PCMark 7 & PCMark 8]
- Page 7 [Benchmarks (Secondary) – IOPS, Response & Transfers]
- Page 8 [Benchmarks (Secondary) – PCMark 8 Extended]
- Page 9 [Benchmarks (Secondary) – 70/30 Mixed Workload]
- Page 10 [Maxed-Out Performance (MOP)]
- Page 11 [Final Thoughts]
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