Etiqueta: Index
-
Primary Uses for Couchbase Primary Index
A couple of frequently asked questions on N1QL for query service: Read on… Couchbase is a distributed database. It supports flexible data model using JSON. Each document in a bucket will have a user-generated…
-
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…
-
Understanding Index Grouping And Aggregation in Couchbase N1QL Query
Couchbase N1QL is a modern query processing engine designed to provide aggregate SQL for JSON by index on distributed data with a flexible data model. Modern databases are deployed on massive clusters. Using JSON…
-
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…
-
How to transition from Equivalent Indexes to Index Replicas?
In the previous post, we saw the benefits of using index replicas over equivalent indexes. Let’s say you are on Couchbase Server 4.x and have the following 3 equivalent indexes spread across 3 nodes;…
-
Feature Enhancements to N1QL in the Couchbase Server 5.0 March Developer Build
With the recent March 2017 Developer build of Couchbase there were many bug fixes, but also feature enhancements to core technologies like N1QL. For example, now indexes can be created on various meta information…
-
Indexes for N1QL: or how I got an order magnitude speed increase
Indexes for N1QL: or how I got an order magnitude speed increase In Couchbase 4.0 we introduced N1QL query language: a flexible query language that brings SQL-like query to JSON documents. Whenever we talk…