Hi,

Yes it will be the result. Its not a best practice to use. Moreover when you are doing on your desktop you have limited resources. so gradually the performance goes down. Please do the performance recoring and check what is the problem.

when you are using tableau desktop go to task manager and check the process . How much they are utilized. so the best thing is to create an empty extract and publish in to the server. after that run the extract so that now your 350m records will get the necessary resources and your performance issue will reduced .

HI

Please look at this article once . How much data can Tableau handle? you will get an idea how tableau process its data . what kind of effective algorithms were used? .

Happy vizzing

Shasank