Tableau Resource Monitoring Tool Activity Pages

Applies to: Tableau Advanced Management

The Tableau Resource Monitoring Tool includes dashboards that help you monitor and analyze various performance metrics like hardware resource usage, user activity, and the status of Tableau Server processes. They can be useful in identifying performance bottlenecks and the overall health of your Tableau Server.

This topic describes the information on the Activity page. The activity page provides the next level of detail to what is seen on the charts on the Performance page. The filter selections on either of these dashboards are carried over to the other so you can see corresponding information as you are trying to identify any performance issues.

The activity page includes detailed information about the following:

  • VizQL Sessions
  • Background Tasks
  • Data Queries
  • View Loads
  • Slowest Views

VizQL Sessions

Shows you a list of all the VizQL sessions in the selected time range. A VizQL session is a set of interactions that a user has with a workbook on Tableau Server.

Click a session ID to see a summary chart and more details such as the requests made during the session, request duration, and related workbook sessions. You can also see any related data queries, incidents that have been reported, and the environment activity filtered to the same time period as the VizQL session’s time frame.

Background Tasks

Shows you a list of all the background tasks in the selected time range.

Click the start time of the task to see more details about the background task including a summary that shows you a comparison of the time it took to complete the task versus the average duration of time taken to complete similar tasks. You can also see any related incidents that have been reported and the overall environment activity during the time this task was run.

Click the site name to see more information about the site including the number of workbooks, views, and VizQL sessions for each project on that site.

Data Queries

Shows you a list of all the data queries during the selected time range.

Click on a query to see query performance details, the full query text, and the connection details.

View Loads

Shows you the list of rendered views in the selected time range.

The Load Time Severity Category filter allows you to filter views are taking much more time to load than normally expected. This uses the same baseline concept and comparisons used on the Slow View Load Request Chart. The baseline is established by calculating the median value of the first 10 times a specific workbook is rendered. Once the baseline is established, every time that same workbook is rendered in the future, the time taken for a workbook to load is then compared to its own baseline.

The categories for the load time severity are as follows:

  • Normal: <=2x baseline
  • Long: >=2x baseline
  • Very Long: >=4x baseline
  • Failed: Failed to load or resulted in an error
  • Processing: The baseline calculation is in process and is not yet established.

Slow Views

Shows you the list of all views that have taken the longest time in descending order. This list is based on average load duration time rather than a comparison against a baseline. You can narrow this list by filtering by duration, publisher, site or a specific view.

  • Click on the view to see more details about the load times You can also see any related incidents that have been reported and the overall environment activity during the time this task was run.

  • Click on the workbook to see more details about a specific workbook.

Who can do this

Any Resource Monitoring Tool user can view the charts.

 

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