Grades Explanation for "Disk IO Performance"

Provider IBM Cloud
Plan BL2.1x2
Based on trial run on 2022-08-30 22:23:17 UTC
"Disk IO Performance" grade E

Test results backing the grade

The Disk IO Performance grade is calculated based on the following test result metrics. Each line in the table includes the best, worst, mean and median results from all tested plans from all providers as well as the result for this particular trial.

The grade for each metric is determined based on its value in this trial compared with the same metric in all other trials and it is shown next to the value between ().

Based on test Metric name IBM Cloud
BL2.1x2 (Grade)
All Providers and Plans
Best Worst Mean Median
Yab Fio Disk IO Read+Write Speed 64k blocks 653 MiB/s (E) 6745 MiB/s 30.3 MiB/s 1900 MiB/s 1257 MiB/s
Sysbench Random Disk IO Read Speed 4k blocks 61.2 MiB/s (E) 851 MiB/s 7.05 MiB/s 163 MiB/s 119 MiB/s
Sysbench Random Disk IO Write Speed 4k blocks 28.63 MiB/s (D) 233 MiB/s 0.42 MiB/s 56.7 MiB/s 38.3 MiB/s
Sysbench Sequential Disk IO Read Speed 128k blocks 437 MiB/s (E) 4995 MiB/s 46.8 MiB/s 992 MiB/s 795 MiB/s
Sysbench Sequential Disk IO Write Speed 128k blocks 382 MiB/s (E) 2904 MiB/s 39.9 MiB/s 799 MiB/s 661 MiB/s

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