Grades Explanation for "Disk IO Performance"

Provider IBM Cloud
Plan cx2-2x4
Based on trial run on 2023-03-17 00:02:15 UTC
"Disk IO Performance" grade F

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
cx2-2x4 (Grade)
All Providers and Plans
Best Worst Mean Median
Yab Fio Disk IO Read+Write Speed 64k blocks 47.2 MiB/s (F) 8000 MiB/s 29.15 MiB/s 2053 MiB/s 1589 MiB/s
Sysbench Random Disk IO Read Speed 4k blocks 15.94 MiB/s (F) 851 MiB/s 7.05 MiB/s 172 MiB/s 123 MiB/s
Sysbench Random Disk IO Write Speed 4k blocks 11.76 MiB/s (E) 227 MiB/s 0.42 MiB/s 53.7 MiB/s 38.1 MiB/s
Sysbench Sequential Disk IO Read Speed 128k blocks 46.8 MiB/s (F) 4995 MiB/s 46.8 MiB/s 1031 MiB/s 790 MiB/s
Sysbench Sequential Disk IO Write Speed 128k blocks 47.9 MiB/s (F) 3099 MiB/s 21.05 MiB/s 812 MiB/s 663 MiB/s

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