This can be fairly gracefully handled by using a caching library with tag support. On a webpage that collates content from disparate parts of a CMS, you just ta

This can be fairly gracefully handled by using a caching library with tag support. On a webpage that collates content from disparate parts of a CMS, you just tag the page content cache with the ID's of all the entities that make it up. Then you define a save/delete handler that purges caches tagged with the ID of whatever you just altered.