What is Analytics in Couchbase?
Analytics in couchbase is designed to run complex queries over numerous records with efficiency. Complex questions mean large ad hoc join, aggregation, set and grouping operations, any
of them may result in the long-running queries, high consumption of memory, high use of CPU and/or excessive network latency due to data fetching and also due to cross node coordination. Couchbase Analytics is mostly preferred for expensive queries
This is one of the favorite questions in Couchbase interview Questions.