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How to Optimize Memory Usage?

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Hello,

I am running Win 8.1 Pro with Power BI 64 bit (July 2016 update). I have also installed the On-Premises Enterprise Gateway and am having issues when running my scheduled refreshes. I believe what is happening is that Windows is running out of memory and forcing the mashup program closed. This not only breaks the gateway, forcing me to uninstall, reinstall and recover the gateway, but it is preventing me from refreshing a few large reports.

I have multiple questions:

1. Is there something I can do with my Power BI query / data load to prevent this memory usage? The file itself after it has completed refreshing is around 274mb, but obviously Power BI is using more RAM than that just loading the data from Excel files.

By the way: the data is weekly sales data, so there is a large table with product characteristic information, and other tables with the actual weekly sales. I am cleaning and prepping the product characteristics a little bit before loading to the data tables in Power BI, but I don't know which of these steps causing the most memory usage.

2. Are there configurations I can make on my computer to alleviate this issue. I don't necessarily care about speed as I can plan a refresh at night, as long as it will complete. I have bumped up my virtual memory (page file) to 50GB.

3. Is this an issue with the gateway or mashup program?

 

Thank you for your help!

Bobby


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