Standard_DS1 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
1
RAM
3.5 GB
Extra
1x 7 GB N/A

50GB No cache Standard LRS

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Read Write
Max 510 510
Average 499 500
Deviation 16.04 11.31
Min 428 461

Standard_DS1 local disk

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Read Write
Max 4282 4281
Average 4276 4268
Deviation 5.36 14.01
Min 4259 4233


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