Forum Discussion

alm5084's avatar
alm5084
Helper II
9 years ago

Power BI Desktop Loads Data forever

I'm trying to import data into Power BI desktop from an analysis services data source on premise. We don't have a data gateway set up, so the data needs to be published with the reports. It takes FOREVER to edit queries from our cube data source - like 4 or 5 hours to add all the filters, merges, etc. Now when I try to load the data to the model it gets hung on a specific number of rows and just sits there spinning. Why isn't querying from cubes in Power BI just as quick and easy as in Power Pivot query designer? It can take a full 5 minutes just to load all the distinct options for one dimension column in Power BI when trying to add a filter. In Power Pivot, those dimensions are just so quick and easy to filter on. What gives? And how do I get the data to load into my model? It's only a couple hundred thousand rows it shouldn't be this hard....

Need Help

6 Replies

  • Phil_Seamark's avatar
    Phil_Seamark
    Microsoft Employee
    9 years ago

    HI alm5084

     

    Are you using the latest version of Power BI Desktop?  I found earlier versions to be slow but now they are quite snappy.

     

    You probably will want to get a Gateway setup.  They are pretty handy.

    • alm5084's avatar
      alm5084
      Helper II
      9 years ago

      I am using the most recent version of the desktop app. I have a 64 bit machine with 8G of RAM and the appropriate version of Power BI desktop installed. Even with the gateway setup, I'll still have to set up the dataset and report in the desktop app before deploying it to the PowerBI server.

      • v-caliao-msft's avatar
        v-caliao-msft
        Microsoft Employee
        9 years ago

        alm5084,

         

        If dataset is large and you've used import you may have performance issue plus longer times for data refresh. DirectQuery would take away the need of data refresh but that means there maybe bit of delay in getting data for visuals as queries would be sent to on-premise data source. For example when you apply a filter queries would be sent to on-premise data source.

         

        In your scenario, Please try to use DirectQuery mode to get data in your Power BI report and check if this issue persists or not.

         

        Regards,

        Charlie Liao