background session limitation docs (#102050)

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Joe Reuter 2021-06-15 14:33:29 +02:00 committed by GitHub
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@ -68,3 +68,19 @@ behaves differently:
* Relative dates are converted to absolute dates.
* Panning and zooming is disabled for maps.
* Changing a filter, query, or drilldown starts a new search session, which can be slow.
[float]
==== Limitations
Certain visualization features do not fully support background search sessions yet. If a dashboard using these features gets restored,
all panels using unsupported features won't load immediately, but instead send out additional data requests which can take a while to complete.
In this case a warning *Your search session is still running* will be shown.
You can either wait for these additional requests to complete or come back to the dashboard later when all data requests have been finished.
A panel on a dashboard can behave like this if one of the following features is used:
* *Lens* - A *top values* dimension with an enabled setting *Group other values as "Other"* (configurable in the *Advanced* section of the dimension)
* *Lens* - An *intervals* dimension is used
* *Aggregation based* visualizations - A *terms* aggregation is used with an enabled setting *Group other values in separate bucket*
* *Aggregation based* visualizations - A *histogram* aggregation is used
* *Maps* - Layers using joins, blended layers or tracks layers are used