This test emulates Database and On-Line Transaction Processing (OLTP) workloads. OLTP is in essence the processing of transactions such as credit cards and high frequency trading in the financial sector. Enterprise SSDs are uniquely well suited for the financial sector with their low latency and high random workload performance. Databases are the bread and butter of many enterprise deployments. These are demanding 8K random workloads with a 66% read and 33% write distribution that can bring even the highest performing solutions down to earth.
The HGST SSD800MM averages 59,259 IOPS during the measurement window, and exhibits a very tight range of performance in comparison to the Toshiba PX02SMF080.
The HGST provides 8,076,645 I/Os (45.6%) at 2-4ms, and 7,876,877 I/Os (44.47%) at 4-6ms.
The HGST averages 8.76 Watts during the precondition run.
The HGST averages 6,741 IOPS per Watt, losing by a scant 76 IOPS to the Toshiba PX02SMF080.
The Webserver profile is a read-only test with a wide range of file sizes. Web servers are responsible for generating content for users to view over the internet, much like the very page you are reading. The speed of the underlying storage system has a massive impact on the speed and responsiveness of the server that is hosting the website, and thus the end-user experience.
The HGST SSD800MM averages 59,080 IOPS at QD256, followed by the Toshiba PX02SMF080 that averages 43,080 IOPS at QD256, and the Optimus, which averages 33,805 IOPS at QD256.
The HGST provides 47.15% of I/Os in the 4-6ms range, 41.47% of I/Os at 2-4ms, 8.9% of I/O's at 6-8ms, and 1.9% of I/O's at 1-2ms.
The HGST averages 5 Watts during the measurement window.
The HGST SSD800MM averages an excellent 11,816 IOPS per Watt, well above the other contenders.
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- Page 1 [Introduction]
- Page 2 [HGST Ultrastar SSD800MM Specifications]
- Page 3 [SAS 12Gb/s Architecture]
- Page 4 [HGST Ultrastar SSD800MM Internals]
- Page 5 [Test System and Methodology]
- Page 6 [4K Random Read/Write]
- Page 7 [8K Random Read/Write]
- Page 8 [128K Sequential Read/Write]
- Page 9 [Database/OLTP and Webserver]
- Page 10 [Fileserver and Emailserver]
- Page 11 [Final Thoughts]
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