State of the art of European IaaS Compute - Q2 2022 - Block Storage Bandwidth

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I/O Per Seconds is one of the most used value to evaluate the performance of a volume, raw SSD, magnetic or Block Storage. The average and maximum IOPS gives a good preview of what will be the speed of a database or any disk-intensive task.

To measure bandwidth, we use the well known tool Flexible I/O Tester (FIO) the following configuration:

  • 1MB blocks
  • Sequential access
  • Read then Write
  • Direct access to device without filesystems
  • libaio engine

Cloud Mercato's assertions:

  • CloudFerro Kamatera, VEXXHOST and Linode outperform with a throughput between 5 and 7.5GB/sec
  • A second level of good performers exist with Exoscale and hopla delivering more than 2BG/sec
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