d2.xlarge 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
4
RAM
30.5 GB
Extra
3x 2000 GB Magnetic

200GB General Purpose SSD

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Read Write
Max 3110 3110
Average 3095 3092
Deviation 6.34 3.51
Min 3090 3089

d2.xlarge instance-store

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Read Write
Max 210 276
Average 197 251
Deviation 9.38 21.94
Min 181 220


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