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Anonymous
Not applicable

Long refresh times in pbi service (sharepoint)

Hi guys,


I made a report which is connected to xlsx files in a sharepoint folder. Every day the xslx files get overwritten (replaced), after which a refresh is done. However, the refresh takes about 1.5 hours, whilst refreshing the same data in pbi desktop takes only 30 seconds.

Do you have a solution for this or know the reason behind this behavior?

1 ACCEPTED SOLUTION
v-diye-msft
Community Support
Community Support

Hi @Anonymous 

 

It's cozed by the different workflow of refresh in desktop and service. When you select Refresh in desktop, you refresh the file’s model with updated data from the original data source. This kind of refresh happens entirely from within the Power BI Desktop application itself. It's different from a manual or scheduled refresh in Power BI, and it’s important to understand the distinction.

When you refresh the dataset in service, Power BI doesn't connect to the file on OneDrive or SharePoint Online to query for updated data. It uses information in the dataset to connect directly to the data sources and query for updated data. Then, it loads that data into the dataset. 

 

Community Support Team _ Dina Ye
If this post helps, then please consider Accept it as the solution to help the other members find it more
quickly.

View solution in original post

2 REPLIES 2
v-diye-msft
Community Support
Community Support

Hi @Anonymous 

 

It's cozed by the different workflow of refresh in desktop and service. When you select Refresh in desktop, you refresh the file’s model with updated data from the original data source. This kind of refresh happens entirely from within the Power BI Desktop application itself. It's different from a manual or scheduled refresh in Power BI, and it’s important to understand the distinction.

When you refresh the dataset in service, Power BI doesn't connect to the file on OneDrive or SharePoint Online to query for updated data. It uses information in the dataset to connect directly to the data sources and query for updated data. Then, it loads that data into the dataset. 

 

Community Support Team _ Dina Ye
If this post helps, then please consider Accept it as the solution to help the other members find it more
quickly.
Anonymous
Not applicable

Alright, thank you for the explanation!

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