Standard_D12 by Microsoft Azure


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
28.0 GB
Extra
1x 200 GB N/A

200GB No cache Standard LRS

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Read Write
Max 506 505
Average 500 501
Deviation 14.91 6.95
Min 437 475

Standard_D12 local disk

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Read Write
Max 155361 548
Average 117538 341
Deviation 17417.48 130.77
Min 101736 147


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