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
|All Providers and Plans|
|Sysbench||Sequential Disk IO Write Speed 4k blocks||85.4 MiB/s (C)||921 MiB/s||5.83 MiB/s||140 MiB/s||83.8 MiB/s|
|Sysbench||Sequential Disk IO Read Speed 4k blocks||139 MiB/s (F)||1888 MiB/s||7.74 MiB/s||527 MiB/s||442 MiB/s|
|Sysbench||Random Disk IO Write Speed 4k blocks||11.80 MiB/s (E)||262 MiB/s||0.18 MiB/s||40.6 MiB/s||32.3 MiB/s|
|Sysbench||Random Disk IO Read Speed 4k blocks||17.80 MiB/s (F)||2434 MiB/s||0.81 MiB/s||162 MiB/s||113 MiB/s|