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I have a PostGIS database that gets updated about once every two hours. Since Geoserver datastore do not do any caching, I was looking for service does that and i found GeoWebCache REST API http://geowebcache.org/docs/current/rest/seed.html

from what i understand, its the only option for caching updated (new) data. am i right? and is there any detailed example on how to apply it?

I am using openlayers, with wms

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Ciao, GeoWebCache is what you are looking for.

Make sure you truncate the cache for that layer everytime you update the back-end data. You might want to do a selective (with BBOX) truncate via REST interface.

Check these links: http://geowebcache.org/docs/1.5.1/rest/seed.html#seeding-and-truncating-through-the-rest-api https://github.com/geosolutions-it/scripts/blob/master/geowebcache/gwc_truncate.sh

The latter was used to automate truncate via bash scripts with CRON in the mix. Might be helpful.

Simone.

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