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Don Pinto02/08/13
4098 views
0 replies

How to Move from MySQL to Couchbase Server 2.0: Part 2

This time, we’ll start by looking at how to write those Views and specific elements of the SQL queries, like WHERE and GROUP BY clauses, and the process . . .

Brian O' Neill02/08/13
1199 views
0 replies

InvalidRequestException(why:Too many bytes for comparator)

In the spirit of trying to save people time, I thought I would directly address the numerous "Too many bytes" errors that bubble up out of Astyanax when using Composites, especially when trying to perform range queries.

Marko Rodriguez02/08/13
2948 views
0 replies

Polyglot Persistence and Query with Gremlin

Complex data storage architectures are not typically grounded to a single database. In these environments, data is highly disparate, which means that it exists in many forms . . .

Don Pinto02/07/13
2576 views
0 replies

Couchbase Plugin for Elasticsearch - Now in Beta

When we released the developer preview of our Couchbase plugin for Elasticsearch back in September we received a lot of great feedback from the community.

Eric Genesky02/07/13
1392 views
0 replies

NoSQLUnit Forge Plugin is Forged

  NoSQLUnit is a JUnit extension to make writing unit and integration tests of systems that use NoSQL backend easier. Forge is a core framework and next-generation shell for tooling and automation at a command line level. With...

Itamar Syn-hershko02/07/13
1169 views
0 replies

NancyFx: Live editable views with RavenDB

When building a website with NancyFX by default views are loaded from the file system - pretty much like with all MVC-based websites.

Giuseppe Vettigli02/07/13
1357 views
0 replies

Network Analysis: Betweenness Centrality

In Network Analysis the identification of important nodes is a common task. We have various centrality measures that we can use and in this post we will focus on the Betweenness Centrality.

Michael Kopp02/06/13
6266 views
5 replies

How I Identified a MongoDB Performance Anti Pattern in 5 Minutes

The other day I was looking at a web application that was using MongoDB as its central database. We were analyzing the application for potential performance problems . . .

Ben Wen02/06/13
1373 views
0 replies

Check Out the DZone MongoDB Refcard!

As developers we’re always appreciative of documentation that lets us absorb a lot of detailed information as quickly as possible.

Ayende Rahien02/06/13
2370 views
0 replies

Upcoming RavenDB Webinars

The last RavenDB Webinar was really nice, so I decided to make this a bi weekly event. I hope this will give us even closer relationship with our user group.

René Pickhardt02/05/13
2064 views
0 replies

Introducing ArangoDB

Frank Cellar introduces his ArangoDB which is basically a Document store (key, value) and uses a blueprint graph interface.

Jan Machacek02/05/13
2873 views
0 replies

Neo4j and Spray JSON

The title of this post may be a bit confusing–what does Neo4j have to do with Spray JSON?

Eric Genesky02/05/13
3790 views
0 replies

An Updated Database Landscape Map

The folks over at 451 have updated their Database Landscape Map to accomodate some significant modifications and additions to the original map . . .

Duncan Brown02/05/13
2027 views
0 replies

DZone Love

It would seem that the good folks at DZone have sent me a goodie box (or, as I call it, a "swag bag" because it rhymes and I'm easily amused) . . .

Pascal Alma02/04/13
2064 views
0 replies

Amazon ELB and Multiple Availability Zones

I was recently playing with the AWS ELB and AWS AutoScaling which I described here. What I wanted to do was to setup some stress test . . .

Eric Genesky02/04/13
1622 views
0 replies

Compassites Head of Technology Discusses NoSQL

Girish Karachiwala is Head of Technology at Compassites Software. In this video, he talks about NoSQL and the related advantages.

Steven Willmott02/04/13
4325 views
0 replies

Tutorial: Deploying an API on EC2 from AWS

At 3scale we find Amazon to be a fantastic platform for running APIs due to the complete control you have on the application stack.

Josh Adell02/04/13
8171 views
0 replies

Performance of Graph vs. Relational Databases

Here's a post from back in 2011 that offers a general look at the difference in performance of graph databases and relational databases.

Eric Genesky02/03/13
2841 views
0 replies

Understanding NoSQL with CouchDB

This introduction by Pluralsight focuses on Apache CouchDB in easy-to-access JSON. This is part of a larger full curriculum on NoSQL from Pluralsight that can be accessed here.

Eric Genesky02/03/13
3092 views
0 replies

CloudFoundry: Real-time Apps Using Node.js and RabbitMQ

Over at the Cloud Foundry blog, Raja Rao published a tutorial on using RabbitMQ instead of Redis as a 'session store' and a 'pub-sub' service for chat messages.

Don Pinto02/02/13
2242 views
0 replies

Get Started with Couchbase for Mobile

I just sent an email to our open source mobile community sharing some exciting developments we've made in the last months.

Ayende Rahien02/02/13
827 views
0 replies

RavenDB Webinar

Oren Eini presents this webinar on RavenDB, the .NET NoSQL solution.

Eric Genesky02/01/13
3229 views
0 replies

NoSQL Week in Review #14

FLOSS Moling with RavenDB, Redis and Node.js: Building a Simple Dashboard, and NoSQL in Business Intelligence are a few of the headlines from this week's NoSQL roundup.

Eric Genesky02/01/13
1796 views
0 replies

An Introduction to Metrics in Apache Cassandra 1.2

Yuki Morishita, of the Datastax blog, recently published an article about updates to Cassandra's use of the Yammer Metric library.

Tim Spann02/01/13
2654 views
0 replies

Link List: MongoDB Drivers for Java

I am working on a Spring MVC app that demonstrates all of the different MongoDB Java APIs.