is4gen.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
24.0 GB
Extra
1x 3750 GB SSD
Net
25000 Mbps

200GB General Purpose SSD

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Read Write
Max 3100 3099
Average 3099 3099
Deviation 0.22 0.00
Min 3099 3099

is4gen.xlarge NVMe SSD

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Read Write
Max 132412 105555
Average 129523 103458
Deviation 568.17 395.90
Min 129330 103003


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