Recommended approach to storing user display name on the post

Hi everyone,
I’m fairly new to Couchbase, and I have a little problem I was trying to solve in Cassandra (before I met Couchbase :slight_smile: ). Please find the details here:
Thank you so much!

This is a very generic question about Datamodel design and it depends a log of your application and its logic (and also how often a specific operation/actions will occur)
You can find some generic information about Datamodel design with Couchbase (in fact for JSON oriented database):