r3.8xlarge by Amazon Web Services


I/O rate testing are conducted with local and block storages attached to the instance. We use the well-known open-source tool FIO. To express IOPS the following parameters are used:

  • 4K block
  • Random access
  • No filesystem (except for write access with root volume)
  • Avoidance of cache and buffer
Specifications:
CPU
32
RAM
244.0 GB
Extra
2x 320 GB SSD
Net
10000 Mbps

r3.8xlarge instance-store

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Read Write
Max 71168 62615
Average 54747 53619
Deviation 14799.92 11197.33
Min 6259 12803


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