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ElasticSearch, a data warehouse for users and social data?

I decided to use ElasticSearch as the primary repository for the primary data of my search site. This is a NoSQL database that provides full text search and other awesome search capabilities.

Would it also be useful to store my user data and social relationships in the ElasticSearch engine? Or should I store this in a separate database?

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I would say go ahead and save all this information in ElasticSearch ONLY if you can somehow protect the database. AFAIK, ES does not support any method of protecting the application with authentication, keys, etc. Therefore, if you cannot protect this data, you do not want to post any data for logging in.

In my application, I blocked port access for my ES instance only on localhost. I then built on top of the service layer in ES node.js . All my authentication is processed before I get to the data layer.

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