Dataset size limit vs Capacity Memory

Hi  liushiyou ,

Not quite accurate, there is another parameter to note, that is, the number of v cores, different P/A sku corresponding to the number of v cores are different.

• Backend v-cores are responsible for core Power BI functionality, including query processing, cache management, running R services, model refresh, and server-side rendering of reports and images. Backend v-cores are assigned a fixed amount of memory that is primarily used to host models, also known as active datasets.

So for P1/A4, it supports parallel querying of four queries with a maximum of 8GB of memory, but at most 6 parallel queries.

The understanding of the maximum data set refresh to 12GB is:

For more details,  you can read related link as below:

What is Microsoft Power BI Premium? - Power BI | Microsoft Docs

Solved: premium - MAX size for one dataset - Microsoft Power BI Community

Best Regards,
Henry

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