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Eric Genesky02/22/13
1244 views
0 replies

A Conversation with Dr. Michael Stonebraker of VoltDB

Here's a 1/2 hour conversation that BIG had with VoltDB's Dr. Mike Stonebraker

Lukas Eder02/21/13
11783 views
17 replies

Easy Mocking of Your Database

The importance of doing the right test-driven development is to find a good ratio of what kind of code is to be covered…

Tim Spann02/21/13
4225 views
0 replies

Mongo Links: Java, Scala, Groovy, and Tutorials

Here is a lengthy list of MongoDB-related links for devs interested in using the popular NoSQL solution with Java, Scala, Groovy, and more.

Chase Seibert02/21/13
2280 views
0 replies

Flatten Entire HBase Column Families with Pig and Python UDFs

Most Pig tutorials you will find assume that you are working with data where you know all the column names ahead of time, and that the column names themselves are . . .

Don Pinto02/21/13
2166 views
0 replies

Compaction Magic in Couchbase Server 2.0

With Couchbase’s append-only storage design, it’s impossible to corrupt data and index files as updates go only to the end of the file.

Mark Needham02/20/13
2627 views
0 replies

Neo4j/Cypher: Using a WHERE Clause to Filter Paths

One of the cypher queries that I wanted to write recently was one to find all the players that have started matches for Arsenal this season and the number of matches that they’ve played in.

Bilgin Ibryam02/20/13
2259 views
0 replies

Apache Camel Meets Redis

Camel is the best of bread Integration framework and in this post I'm going to show you how to make it even more powerful by leveraging another great project - Redis.

Don Pinto02/20/13
3219 views
0 replies

How Many Nodes? Part 2: Sizing a Couchbase Server 2.0 cluster

For any complex system (especially a database), sizing is never an easy task. The variables are numerous and the considerations and decisions . . .

Madhuka Udantha02/20/13
1989 views
0 replies

WS02 MB with External Cassandra

Here are steps to follow for achieving this task, as well as the appropriate code snippets and useful screenshots.

Pascal Alma02/19/13
4468 views
0 replies

Use Spring and Hibernate with MongoDB

One of the requirements we have for one of our Mule ESB implementations is to log the messages that went through the ESB (especially handy during development and testing).

Chris Travers02/19/13
2506 views
0 replies

Building SOLID Databases: Dependency Inversion and Robust DB Interfaces

Dependency inversion is the idea that interfaces should depend on abstractions not on specifics. According to Wikipedia, the principle states . . .

Chase Seibert02/19/13
3858 views
1 replies

Why Database Integrity Matters

Given the rise in popularity of NoSQL solutions, typically set apart by their explicit forfeiture of traditional RDBMS features, you might think that age old concepts like ACID transactions and foreign key constraints are simply antiquated.

Mark Needham02/19/13
2957 views
0 replies

Neo4j/Cypher: SQL Style GROUP BY Functionality

This is all explained in more detail in the documentation but I thought it’d be interesting to write about it from the perspective of someone more used to writing SQL and trying to work out how to achieve the same thing in Cypher.

Eric Genesky02/18/13
2217 views
0 replies

Top 5 Questions to Ask About NoSQL

Here's a presentation on Apache Cassandra from Big Data Spain 2012.

Jason Whaley02/18/13
1699 views
0 replies

Index Sub-Documents in MongoDB

Let’s say I have a collection of documents that all kind of look like this . . .

Tom O'connor02/18/13
5298 views
0 replies

Step by Step AWS EC2 Tutorial

Whit this tutorial, you should be able to reach your SmartFox game server on the DNS name given to you by Amazon EC2 in the control panel.

Eric Genesky02/18/13
1558 views
0 replies

SQL Replication and Periodic Backup with RavenDB

Here's a webinar presented by Oren Eini from February 2 that covers SQL Replication, Periodic Backup, Replication/Sharding, and more . . .

George London02/18/13
3478 views
0 replies

Using Neo4j and Tinkerpop to work with RDF. Part 1!

Warning: This is another super-technical post. If you don’t know what the Semantic Web and RDF are, this will be incomprehensible.

Daniel Bartl02/17/13
2740 views
0 replies

Building an Online-Recommendation Engine with MongoDB

Once upon a time there was a Munich pizza baker who developed a technique to beam pizza out of bright sunshine. He can produce more than a thousand pizzas per second . . .

Eric Genesky02/17/13
892 views
0 replies

Running Turkey's Internet on MongoDB

Over at the 10gen blog, Emrah Ozcelebi, CEO of SPP42 has written a guest post detailing an interesting case study of how MongoDB is being used by Nokta . . .

Boris Lam02/16/13
3206 views
0 replies

Sample Apps: Spring data MongoDB and JSF Integration tutorial (Part 4)

Spring Data repository abstraction reduces the boilerplate code to write the data access layer of the application. . .

Eric Genesky02/16/13
2538 views
0 replies

How to Use Graph Databases to Analyze Business Opportunities

Here's a video from Enterprise Data World 2012 that explains how graph databases work and how they can be used for risk management.

Max De Marzi02/15/13
3596 views
0 replies

Neo4j and Gatling Sitting in a Tree, Performance T-E-S-T-ING

Neo4j performance tuning deserves its own blog post, but at least now you have a great way of testing your performance as you tweak JVM, cache, hardware, load balancing, and other parameters.

Eric Genesky02/15/13
2358 views
0 replies

NoSQL Week in Review #15

This edition of the NoSQL Week in Review covers our top 5 NoSQL links for the last week. These include a couple Couchbase updates, as well as an article on polyglot persistence with Gremlin.

Boris Lam02/15/13
4307 views
0 replies

JSF (PrimeFaces) and Spring Data MongoDB Integration (Part 3)

As said before, PrimeFaces library is used to enhance the UI. There is nearly no configuration required for this library. PrimeFaces provides many pre-designed . . .