Inspect the data cache. Here you see what has been cached for the different areas. You have the option to clear the cache and also send out an event to all CD servers to clear their data caches.
To invoke the event on the CD Server, you must locate the following file \ App_Config \→ Include \→ damforsitecore \→ DFS.ConnectClient.config. Open it and find the tag events. By default Check that the event name publish:dfsClearCache:remote will be is not commented out. Remove the commenting to enable this custom event. 
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