8k Random Read/Write
Server workloads rely heavily upon 8k performance and we include this as a standard with each evaluation. Many of our server workloads also test 8k performance with various mixed read/write workloads.
The Enterprise Performance 15K v5 averages 501 IOPS at QD256 and the Savvio 15K.3 leads with 535 IOPS. The Toshiba 15K scores 522 IOPS at QD256.
The Enterprise Performance 15K v5 falls behind the competing drives, in similar fashion to the 4k results, with random read activity.
The Enterprise Performance 15K v5 displays its strength with 8k random write activity with an average of 492 IOPS at QD256, and the Savvio 15K.3 provides 430 IOPS. The Toshiba also averages 479 IOPS at QD256, but falls behind with lower queue depths.
The 15K v5 provides an excellent performance to latency ratio in this test.
The Enterprise Performance 15K v5 takes a comfortable lead as we mix in more write activity, winning the majority of the write mixtures.
Power consumption for the 15K v5 averages 8.38 watts.
The 15K v5 provides 58 IOPS-per-watt with 8k write activity and 59 IOPS-per-watt during read activity.
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- Page 1 [Introduction]
- Page 2 [Enterprise Performance 15K HDD v5 Internals and Specifications]
- Page 3 [Test System and Methodology]
- Page 4 [Benchmarks - 4k Random Read/Write]
- Page 5 [Benchmarks - 8k Random Read/Write]
- Page 6 [Benchmarks - 128k Sequential Read/Write]
- Page 7 [Benchmarks - Database/OLTP]
- Page 8 [Benchmarks - Email Server]
- Page 9 [Final Thoughts]
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