I have more than 10+ layers published from a postgis datastore, and I have
created a layer group for them.
Now I wonder how does geoserver load data for a wms request for this layer
group? Query each layer by the bbox one by one? If this is true, I am not
sure if this will cause pressure to the database.
I have though that maybe I can create a view for the layers, but if so, the
database view may be seen as a single wms layer in the capabilities request.
Any suggestion?
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