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Same PBIX with databricks source runs out memory in a PRO workspace, but runs in 15 minutes in PPU

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Hi,

We have a 223mb PBIX, which when published to a PRO workspace and is refreshed online, returns the following error:


Resource Governing: This operation was canceled because there wasn't enough memory to finish running it. Either reduce the memory footprint of your dataset by doing things such as limiting the amount of imported data, or if using Power BI Premium, increase the memory of the Premium capacity where this dataset is hosted. More details: consumed memory 15770 MB, memory limit 15770 MB, database size before command execution 613 MB. See https://go.microsoft.com/fwlink/?linkid=2159753 to learn more.

 

When the exact same PBIX is published to a PPU workspace, refreshes online successfully and takes approximately 15 minutes to run. It occupies approximately 192mb in this workspace. 

When refreshed on the desktop, it completes successfully in approx 20 minutes.

The credentials in all instances are the same. The data source is only databricks and sharepoint, nothing from on-prem so a gateway is not involved.

The PRO workspace version was refreshing successfully for some weeks until about 5 days ago when it began began to fail with the error above. Successful refreshes would take approx 40 minutes to complete. Now they fail after about 2 hours. 

I have tried deleting the dataset from the PRO workspace and republishing it, but the error still occurs. 

Any suggestions on what to try next?

Thanks!


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