This behavior is by design.
You can use the tabadmin set options
It is probably the first that is causing this - it defaults to 30 minutes. You could increase these values, but you have to be careful - by increasing the timeout values you are essentially telling Tableau to "hold on to resources" for a longer period of time - therefore increasing the overall RAM the server uses over a given period of time. If you have a busy server, increasing timeouts could hurt overall server performance.
Hope this helps!
Thanks for your reply.
I’m happy for this behaviour to occur and I’m not looking to alter it, however I would like to be able to distinguish in the database these refresh events from ‘normal’ events.
Do you know if there is any piece of information that would allow me to do this?
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You have raised a genuine concern here.
I assume ur looking at Table: historical_events -> Column: count(id)
You could re-define ur dashboard & use a different kpi:
Table: http_requests -> Column: countd(session_id) unique for every logged session