AnswerHere is an overview of each log: Tableau Desktop 1. log.txt(The same applies to log_1.txt, etc.): Tracks the application process (tableau.exe).Contains the most useful timing information for actions taken by the user.Contains valuable environmental information about the user’s computer. 2. tabprotosrv.txt / jpprotocolserv.txt: Logs of the connections to data sources. It contains detailed data connection-specific information and queries.tabprotosrv.txt: The log for ODBC connections, etc.jpprotocolserv.txt: The log for JDBC connections. 3. hyperd.txt: Logs of extract activity. Tableau Prep 1. app.log: "Frontend" logfile. (Prior to 2019.1.1 these logs were contained in ui_###.log.) 2. preprestapi.log: Backend logs for the Java process that hosts rest API. 3. log.txt Backend logs for prepservice.exe. 4. hyperd.log Logs of the hyper instance. 5. backendProcessManager.log Logs of the backend process manager.
Additional InformationThere is an open tool to check the Tableau Logs: Tableau Log Viewer How to Generate Tableau Desktop Logs for a Support Case: Tableau Technical Support YouTube video https://youtu.be/Mr3Z79SZiZ8
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