RAID 5 128K Sequential Read/Write
The 128K read sequential speeds reflect the maximum sequential throughput of the SSD using a realistic file size encountered in an enterprise scenario. The 8-drive array reaches a sequential read speed of 3,000 MB/s at QD128, while the 4-drive array peaks at 1,704 MB/s.
128k read latency reaches above 18ms under a heavy workload for the 8-drive array, and tops out at 10.75ms for the 4-drive array.
Without read caching enabled the 128K sequential performance is a bit disappointing, topping out at only 539 MB/s for the 8-drive array and 300 MB/s for the 4-drive array.
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- Page 1 [Introduction]
- Page 2 [Intel DCS3700 Architecture]
- Page 3 [Adaptec ASR-72405]
- Page 4 [Test System and Methodology]
- Page 5 [RAID 0 4K Random Read/Write]
- Page 6 [RAID 0 8K Random Read/Write]
- Page 7 [RAID 0 128K Sequential Read/Write]
- Page 8 [RAID 0 Database/OLTP and Webserver]
- Page 9 [RAID 5 4K Random Read/Write]
- Page 10 [RAID 5 8K Random Read/Write]
- Page 11 [RAID 5 128K Sequential Read/Write]
- Page 12 [RAID 5 Database/OLTP and Webserver]
- Page 13 [Final Thoughts]
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