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Helper III
Helper III

Cross join for a big table


I have a table that have 150 million rows and it needs to cross join with a table with 180 rows.

I worte a dax and create a table. It is faster than Power query editor or  SQL but it takes one hour to refresh in Power BI Desktop.

Do you have any suggesttion to improve the performance?

Or any other soultion that will have the same result?

Thank you. 



Super User IV
Super User IV

@Nicki , crossjoin is a costly operation. 150M *180 is a big number.


In file->options and setting -> option under data load, increase cache memory. Also, increase the virtual RAM of the system and try

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Cache memory is maximum. Thank you for response. 

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