Event Sourcing | Event Logging – An essential Microservice Pattern
As I mentioned in my previous post about how to fail with microservices, debugging a distributed system is a challenging task. Many things can wrong, and some of them are out of our control, such as network instability, temporary unavailability,...
Xcode Playground for Exploring Query API in Couchbase Lite 2.0
This post is a step-by-step guide for using an Xcode Playground for exploring the new querying API in Couchbase Mobile 2.0. The Couchbase Lite 2.0 Release introduces a simplified query API based on N1QL, Couchbase’s declarative query language that extends...
Couchbase Server 5.5 Beta – now available!
Announcing Couchbase Server 5.5 Beta This release is an extension of the Couchbase Data Platform but also introduces several new Enterprise Grade features – agility, performance, and manageability – all based on critical feedback from our customers. Included are many...
The Couchbase Data Platform in Action: The Couchbase Connect 2017 Silicon Valley Technical Demo
A Full Stack Application Built Using the Couchbase Data Platform This past year, at the annual Couchbase Connect conference in Silicon Valley, we were proud to present a technical demonstration showing much of the breadth of the Couchbase Data Platform...
Using the cURL Function with the Couchbase Eventing Service
The Couchbase Eventing service is new as of Couchbase 5.5 and I’d previously written a tutorial about detecting sensitive information and sending notifications. In my previous tutorial I demonstrated to how make requests to a remote service using the cURL...
Announcing the General Availability of Couchbase Mobile 2.0
Today, we are announcing the general availability of Couchbase Mobile 2.0. Couchbase Mobile extends the Couchbase Data Platform to the edge, securely managing and syncing data, from any cloud to all edge devices. Why Couchbase Mobile 2.0? This release makes...
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...
Building an Observation Deck
A distributed system is one in which the failure of a computer you didn’t even know existed can render your own computer unusable. – Leslie Lamport, 1987 While those prescient words were uttered in 1987, it remains the case in...
Response Time Observability with the Java SDK
Previous blogs gave a better understanding on how our approach to Real Time Observability (RTO) in general helps troubleshooting distributed systems and why we chose OpenTracing as a foundation and public API. If you haven’t already, you can check out...
How OpenTracing became important
We have previously discussed why system observability is important in distributed systems and the challenges that it can help to overcome – if you missed it, you can see Matt Ingenthron‘s introduction to the problem here. Next, we will discuss why...