Tableau Statistical Service


The Tableau Statistical Service manages the statistical engine behind Explain Data and predictive modelling functions on Tableau Server. This service is available in Tableau Server 2022.1 through to 2023.1.x.

Note: The Statistical Service was retired in version 2023.3.0 and no longer shows up on the status page or in the output of the tsm status command.

Server configuration

The Tableau Statistical Service is automatically installed on any node where VizQL is installed.

Process

Tableau Statistical Service

StatusStatus of the Tableau Statistical Service process is visible on the Status Page and can be accessed using the TSM CLI to view. For more information, see View Server Process Status
LoggingLogs generated by the Tableau Statistical Service process are located in /var/opt/tableau/tableau_server/data/tabsvc/logs/statsservice. For more information, see Tableau Server Logs and Log File Locations

Impact if the Tableau Statistical Service fails

If the Tableau Statistical Service stops working, Explain Data will be unavailable, and views that contain calculations with predictive functions MODEL_PERCENTILE and MODEL_QUANTILE won’t render.

Performance

If there is increased usage of Explain Data or predictive modelling functions on Tableau Server, you may benefit from installing additional instances of the Tableau Statistical Service on nodes running VizQL. For more information on configuring the topology of a Tableau Server node, see Configure Nodes.

Log files

The Statistical Service creates two sets of log files:

  • control_statsservice*.log: These logs will contain information about the service starting and being enabled.

  • stdout_statsservice_*.log: These logs will contain information about status and errors.

For more information, see Tableau Server Logs and Log File Locations.

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