Tag: Index

Couchbase 6.5 – RMS for Indexing Service

Couchbase 6.5 release includes an extensive list of Enterprise Grade Database Query capability that allows customers to expand the adoption of NoSQL database into traditional database applications. The release has added transactional capability, Analytical Window functions, user defined JS functions,...

/ January 20, 2020
Couchbase NoSql

Index Planner for Global Secondary Indexes

Integral aspect of any distributed system is to seamlessly provide high availability (HA) and load balancing capabilities to its user. With little to no input from user, Couhbase’s Global Secondary Indexes1 (GSI) provides its users with both – HA and Load...

/ January 5, 2020

Primary Uses for Couchbase Primary Index.

A couple of frequently asked questions on N1QL for query service: When do we actually use a primary index? Why the index advisor does not recommend the primary index when that may the only choice? Read on… Couchbase is a...

/ August 22, 2019

Approaches to Query Optimization in NoSQL.

A man returned home after walking around the globe for eleven years.  Next day, when he told his wife he’s going to the corner store, she asked him: “are you taking the short route or the long one?”. Queries can...

/ May 5, 2019

Divide and Conquer: Couchbase GSI Index partitioning.

In Couchbase, data is always partitioned using the consistent hash value of the document key into vbukets which are stored on the data nodes.  Couchbase Global Secondary Index (GSI) abstracts the indexing operations and runs as a distinct service within...

/ April 11, 2018

Understanding Index Grouping And Aggregation in Couchbase N1QL Query

Couchbase N1QL is a modern query processing engine designed to provide SQL for JSON on distributed data with a flexible data model. Modern databases are deployed on massive clusters. Using JSON provides a flexible data mode. N1QL supports enhanced SQL...

/ April 3, 2018

Index Partitioning in Couchbase Server 5.5

Index partitioning is a new feature available in Couchbase Server 5.5. Check out the Couchbase Server 5.5 Developer Build announcement and download the release for free right now. In this post, I’m going to cover: Why you might want to use index...

New Features in Index Service in Couchbase Server 5.5

In the last major release, Couchbase Server 5.0, we introduced Plasma – New Storage Engine and also the support for Index Replicas in the Index Service. We have continued to build on these new features in our upcoming release. The themes...

Indexing Best Practices

Prelude: Asynchronous Indexing: Global Secondary Indexes in Couchbase can be created, updated and deleted without impacting the reads and writes on the JSON documents in Data nodes. This means that index inserts/updates/deletes happen asynchronously and index workloads are isolated from...

SQL for JSON Query

Introducing the Query Interface in Couchbase Mobile 2.0

The Couchbase Lite 2.0 Release, brings a plethora of new features and enhancements. We discussed one such enhancement, namely the new replication protocol between in an earlier blog post on Replication 2.0. In this blog post, we will introduce you...