What are the best practices for performance when using a large PostGIS
table.

I have imported the OSM data for The Netherlands in PostGIS v2.
I have several workspaces in GeoServer that are for small parts of The
Netherlands.
I want to add OSM data for that region to my workspace.

What is best to do:
1. Create a view in PostGIS using a bounding box restriction to return only
the small region I'm interested in and create a GS layer of that.
2. Copy the data I'm interested in from PostGIS to another PostGIS
database/tables.
3. Don't use PostGIS, but use shapefiles. These shapefiles are clipped by
the interested region.

I will be using GWC to tile most zoom levels.

Thanks,

Paul
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