Trimming The Fat From Power BI Data Models

Philip Seamark shows how things like getting rid of ID columns can reduce a Power BI data model’s size significantly:

Once saved, the Power BI file size was 289MB!  Is this good for 10 million rows?  It’s certainly better than the 360MB CSV file but not by much.  Certainly not close to the 10:1 compression claimed to be achievable using the SSAS Tabular engine used by Power BI.

I think we can do better than that….

Read on to see the specific optimizations, turning this from a 289 MB data model into a 9 MB data model.

Related Posts

Power BI Supports Interactive R Visuals

David Smith reports on a great update to Power BI: The above chart was created with the plotly package, but you can also use htmlwidgets or any other R package that creates interactive graphics. The only restriction is that the output must be HTML, which can then be embedded into the Power BI dashboard or […]

Read More

Re-Shaping Data Flows

Maneesh Varshney explains some methods to trim the fat out of analytical data flows: Big data comes in a variety of shapes. The Extract-Transform-Load (ETL) workflows are more or less stripe-shaped (left panel in the figure above) and produce an output of a similar size to the input. Reporting workflows are funnel-shaped (middle panel in […]

Read More

Leave a Reply

Your email address will not be published. Required fields are marked *

Categories

June 2017
MTWTFSS
« May  
 1234
567891011
12131415161718
19202122232425
2627282930