Hello Everyone!
I'm configuring a new distributed GeoServer environment and I have some
doubts about GWC Standalone, GeoServer & Apache architecture.
I have the following architecture set in a single developing machine.
Apache HTTPD **HTTP 80**
2 Geoserver Instances (2 TOMCAT) **HTTP 8080** **HTTP 8081**
1 GeoWebCache Standalone Instance (1 TOMCAT) **HTTP 8082**
I have a load balance configuration in Apache HTTPD with mod_jk that points
to the 2 GeoServer instances. The 2 GeoServer Tomcat instances are
clustered and point to a single DATA DIR. I've also configured GeoWebCache
DATA CACHE DIR.
If I make a request to http://localhost/geoserver it calls one of the 2
GeoServer instances.
If I make a request to http://localhost/geowebcache it calls the
GeoWebcache instance (redirects to /geowebcache/home).
I've set the *WMS getCapabilites* URL from my Geoserver; at
geowebcache-core-context.xml
Everything is working fine!
My first doubt is in concern to GeoWebCache and GeoServer WMS endpoints
when consuming it in the front-end app (OpenLayers). What is the best
approach when calling WMS service?
1. Make a URL rewrite with Apache so that I call
/geoserver/gwc/service/wms/... and it would point to GeoWebCache instance
2. Call GeoWebCache URL directly: /geowebcache/service/wms/...
3. Make a URL rewrite to Geoserver WMS URL so that when I call
http://localhost/geoserver/<workspace>/wms/... it would point to
GeoWebCache instance
Second doubt is about the integrated GWC configuration.
- Should I disable GWC at GeoServer *Caching Defaults* configuration
when using GWC standalone?
- What really happens when I enable *WMS-C*? Does it just enables
/geoserver/gwc/sevice/wmsURL?
- And what really happens when I enable *WMS direct integration*? Does
it make /geoserver/wms URL call the integrated GWC?
- Do the configuration made in *Tile Caching* GeoServer panel of each
layer affects GWC Standalone (is it passed at getCapabilities)?
All these stuff about the GWC Standalone aren't so clear in the docs. I
hope someone have these answers.
Thank you!
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