Grades Explanation for "Disk IO Performance"

Provider Alibaba Cloud
Plan ecs.n4.small
Based on trial run on 2022-08-27 22:59:37 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 Alibaba Cloud
ecs.n4.small (Grade)
All Providers and Plans
Best Worst Mean Median
Yab Fio Disk IO Read+Write Speed 64k blocks 100 MiB/s (F) 8000 MiB/s 39.5 MiB/s 2103 MiB/s 1601 MiB/s
Sysbench Random Disk IO Read Speed 4k blocks 8.62 MiB/s (F) 851 MiB/s 7.05 MiB/s 172 MiB/s 123 MiB/s
Sysbench Random Disk IO Write Speed 4k blocks 7.55 MiB/s (E) 232 MiB/s 0.42 MiB/s 55.3 MiB/s 38.2 MiB/s
Sysbench Sequential Disk IO Read Speed 128k blocks 102 MiB/s (F) 4995 MiB/s 46.8 MiB/s 1031 MiB/s 790 MiB/s
Sysbench Sequential Disk IO Write Speed 128k blocks 102 MiB/s (F) 3099 MiB/s 39.9 MiB/s 830 MiB/s 676 MiB/s

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