In the last section, you learned the fundamentals of tile caching. In this section, you'll learn the ins and outs of setting up tile caching in GeoServer. First, you'll learn all the global and layer options for tile caching in the GeoServer web administration interface. Then, we'll look at these settings in the XML files under the GeoServer directory. Finally, you'll learn about gridsets and why these are important in building your tile-cache-backed app.
We disabled all of these other services in the previous section, as shown in the following screenshot, since we'll be using WMST, which is enabled in the Services portion of the sidebar:
You can set a number of global options that will be available on all new layers or layer groups that will be tiled. Let's look at a couple of these options:
The metatile size...