In Couchbase 5.5, Query Planner was enhanced to intelligently request the indexer to perform grouping and aggregation in addition to range scan for covering index.
This tutorial will provide some information on how to set up an Elasticsearch cluster and will add some operational tips and best practices to help you get started.
Learn how to create a module responsible for starting up and shutting down a DN connection pool and add a function that simplifies executing simple statements.
With SQL Monitor, you're alerted to deadlocks as they happen, allowing you to recover any lost processes and put procedures in place to minimize their future occurrence.
Since ANSI JOINs are widely used in the relational world, support for ANSI JOINs in Couchbase N1QL makes it easier to migrate apps from a relational DB to Couchbase N1QL.