Category: Couchbase Architecture
Timers in Couchbase Functions
We are pleased to announce the support of Timers in Couchbase 6.0 Beta release. This is the an important innovation in Couchbase Functions that enables asynchronous compute in reference to wall-clock events. Timers are constructs by which developers can specify...
Couchbase Server 5.5 Released
Announcing Couchbase Server 5.5 Couchbase Server 5.5 production release is now available! We are very excited to share more information about this substantial extension of the Couchbase Data Platform. This release introduces several new Enterprise Grade features relating to agility,...
How to Join JSON: Couchbase N1QL vs. MongoDB Query
As NoSQL databases evolved, each added higher level APIs or languages to help programmers to complex things easily. SQL, having done that for relational data, showed the way. In SQL, developers say WHAT needs to be done and the database...
Inside the Java SDK: Connection Management
In this second instalment of “Inside the Java SDK” we are going to take an in-depth look at how the SDK manages and pools sockets to the various nodes and services. While not ultimately necessary to follow, I recommend you...
Inside the Java SDK: Bootstrap
From time to time we get questions on topics that do not directly fit into the documentation since they dig deeper into the internals of the client libraries. In this series we’ll cover different themes of interest – in this...
Databases on Kubernetes – How to Recover from Failures, Scale Up and Down in a Few Line Commands
A month ago, Kubernetes launched a beta for Local Persistent Volumes. In summary, it means that if a Pod using a local disk get killed, no data will be lost (let’s ignore edge cases here). The secret is that a...
Tutorial: Getting Started with Data Synchronization using Couchbase Mobile for Offline-First Apps
Couchbase Sync Gateway is a key Internet facing component of Couchbase Mobile stack that enables secure data syncronization across Couchbase Lite enabled clients. Couchbase Mobile 2.0 introduced a brand new websockets based replication protocol for data syncronization that is more...
Ordering in Couchbase Functions – Part 2
In Part-1 of this blog series on understanding Ordering in Couchbase Functions, we observed how the mutations are consumed by Couchbase Eventing Service in different scenarios. Now, let’s look under the hood of the Eventing Service and try to understand...
Couchbase: Red Hot at Red Hat Summit 2018
A Recap of Couchbase at Red Hat Summit 2018 With all of the excitement and energy at Couchbase Connect in New York last week, it may have been easy to overlook some really compelling updates coming out of Couchbase’s strategic...
Ordering in Couchbase Functions – Part 1
Couchbase Functions is being introduced in the Couchbase Server 5.5 release under the Couchbase Eventing Service. Couchbase Functions gives you the ability to move data-driven business logic closer to your data. User-defined business logic can be triggered in real-time on...
Data Modeling for Couchbase with erwin DM NoSQL
Given the architecture and design of NoSQL systems, especially the document family databases like Couchbase that do not enforce schema on write, data modeling for NoSQL can often be challenging when migrating from relational systems to NoSQL or when building...
A Guide to N1QL features in Couchbase 5.5: Special Edition
N1QL was first released with Couchbase 4.0 in the fall of 2015. After two and a half years, it’s great to release Couchbase 5.5 and this N1QL 5.5 feature booklet with it at the New York Couchbase Connect. This special...