Grades Explanation for "Disk IO Performance"

Provider Alibaba Cloud
Plan ecs.g8a.2xlarge
Based on trial run on 2025-08-20 00:00:00 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 Alibaba Cloud
ecs.g8a.2xlarge (Grade)
All Providers and Plans
Best Worst Mean Median
Yab Fio Disk IO Read+Write Speed 64k blocks 294 MiB/s (F) 11331 MiB/s 18.30 MiB/s 2614 MiB/s 2064 MiB/s
Sysbench Random Disk IO Read Speed 4k blocks (w/ clear cache) 74.0 MiB/s (E) 2279 MiB/s 1.14 MiB/s 167 MiB/s 112 MiB/s
Sysbench Random Disk IO Write Speed 4k blocks 69.2 MiB/s (C) 372 MiB/s 1.14 MiB/s 66.6 MiB/s 53.6 MiB/s
Sysbench Sequential Disk IO Read Speed 128k blocks (w/ clear cache) 293 MiB/s (F) 8988 MiB/s 20.02 MiB/s 1468 MiB/s 1116 MiB/s
Sysbench Sequential Disk IO Write Speed 128k blocks 287 MiB/s (F) 4468 MiB/s 20.01 MiB/s 783 MiB/s 582 MiB/s

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