Answer

Option 1: Use the Performance Recording Feature

Option 2: Review the Logs

In Tableau Desktop:

• Navigate to the Logs folder inside the My Tableau Repository folder. 
• By default, the My Tableau Repository can be found inside the My Documents folder on Windows or the Documents folder on a Mac.
• If you have a live connection to the data source, check the log.txt and tabprotosrv.txt files.
• If you are using an extract, check the tdeserver.txt file.
• The tabprotosrv.txt file often shows detailed information about queries.

In Tableau Server: 

1. Generate a snapshot of Server logs.
2. Unzip the archive logs.zip file.
3. Navigate to the vizqlserver folder.
4. Search for lines containing begin-query in the .txt files.

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