Tag: 6.5

Deep Dive: Window functions in Couchbase Analytics

Couchbase Server 6.5 Beta brings a host of new features [1] to the leading NoSQL database. One of the key additions to the N1QL query language is support for window functions. These functions were originally introduced in the SQL:2003 standard and...

Observing the Rising Tide of Developer Influence

International Data Corporation (IDC) announced the results of a really interesting research project recently, where it has surveyed 2,500 developers around the globe. The IDC team commenting on the report saying that: “Developers are increasingly regarded as visionaries and architects...

Index Advisor For Query Workload

Overview As the second feature of Index Advisor released in Couchbase server 6.5 (Developer Preview), Advisor function extends the scope from advising on single query to providing index recommendations for query workload and support on session handling. In this article,...

/ August 15, 2019

Window functions in Couchbase Analytics

Co-author:  Till Westmann,  Senior Director, Engineering The beta bits for Couchbase 6.5, the upcoming release of Couchbase Server, are now available. The Analytics service, which supports efficient parallel query processing, has added support for support for window functions defined in...

Couchbase Brings Distributed Multi-Document ACID Transactions to NoSQL

I’m excited to announce the beta of “distributed multi-document ACID transactions” in Couchbase Server 6.5.  Whether you’re writing a new application or modernizing an existing relational application, with transactions in Couchbase 6.5 your work is easier than ever before.  Why...

Announcing Couchbase Server 6.5 Beta – What’s New and Improved

We are pleased to announce the release of Couchbase Server 6.5 beta with stellar features that lead the innovation in the NoSQL database market. We are excited to once again pioneer some of the most sought-after relational capabilities in the...

Exercising Control on Quality of Service Using XDCR

XDCR, by design, provides customers the flexibility to tune the number of replications for a given bucket depending on the desired performance. New replication requires streaming all existing documents in the bucket, and, therefore, it exhibits a higher mutation rate...

Introduction To Jepsen Testing At Couchbase

Intro As most of you know, Couchbase is a database that provides users with a range of consistency and fault tolerance options to ensure that the state of their data meet certain criteria or guarantees. Users can specify varying levels...

/ August 9, 2019

Get Started with Couchbase Collections Using the Demo App

Collections are a new feature in Couchbase 6.5. They let you group similar documents within each bucket, just as tables in relational databases collect similar records within each database. Collections will be fully supported in Couchbase 7.0, but you can...

/ August 9, 2019

Eventing Service Improvements in Couchbase Server 6.5

Couchbase Eventing Service provides a framework for writing your own functions to process data change events (create, update, delete/expiry). Couchbase Server 6.5 introduces a set of important improvements to the Eventing Service that enable a lot of new use cases...