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Mitch Pronschinske08/07/13
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OrientDB Version 1.5 Released

OrientDB recently hit version 1.5. The open source, document graph database adds new features such as a new paginated local storage engine, a new and more performant Hash Index type, fetch plan support in SQL, and more.

Mitch Pronschinske08/07/13
2148 views
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Why a Social Scoring Company Switched from MongoDB to Titan on Cassandra

Crowd Riff is kind of like a Klout competitor with a focus on customer and community analysis for businesses. Seems like a perfect situation for a graph databse...

Mitch Pronschinske08/07/13
1390 views
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User Profile Data Modeling Patterns in Cassandra

Patrick McFadin wrote a good post recently on PlanetCassandra.org that covers three patterns for user profile data models in Cassandra.

Mitch Pronschinske08/07/13
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Riak Pipe: “UNIX pipes for Riak”

Riak Pipe is most simply described as “UNIX pipes for Riak.” In much the same way you would pipe the output of one program to another on the command line, Riak Pipe allows you to pipe the output of a function on one vnode to the input of a function on another.

Mitch Pronschinske08/06/13
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New DB Rankings: Mongo DB Beats MS Access in Popularity

In the new data for this month's DB-Engines.com DBMS rankings, MongoDB has surpassed Microsoft Access in popularity and is only slightly behind IBM DB2 with a rank of 6 overall. It's also the most popular NoSQL data store.

Adrian Milne08/06/13
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MongoDB in 3 Easy Steps!

If you're entirely new to MongoDB - this is just a very gentle introduction that gets you up and running with a sample database in just a few easy steps.

Steve Francia08/06/13
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MongoDB in PHP

This is a MongoDB tutorial on using MongoDB in PHP which I gave as a webcast for O’Reilly last year. The tutorial covers everything from Installing MongoDB along with installing and configuring the MongoDB PHP driver.

Mitch Pronschinske08/06/13
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Compaction in HBase and Other Highlights of HBaseCon 2013

Often considered one of the best NoSQL databases for using alongside Hadoop, HBase had it's own conference this year with several very interesting sessions. One of these sessions covered the compaction improvements in HBase.

Mitch Pronschinske08/06/13
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Keeping the Transactions Lightweight in Cassandra 2.0

There's an in-depth post the Datastax about doing lightweight transactions in Cassandra. It's an interesting read for those looking into the tradeoffs between availability and consistency in their database system.

Jan Machacek08/05/13
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Akka & Cassandra Activator

In this tutorial, I am going to use the Spray-Client, DataStacks Cassandra driver and Akka to build an application that downloads tweets and then stores their id, text, name and date in a Cassandra table

Mitch Pronschinske08/05/13
1455 views
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Music Recommendation Dataset Gist

As a followup to his "Fun with Music, Neo4j and Talend" post a few weeks ago, Rik Van Bruggen also posted a gist of his Last.fm dataset.

Mitch Pronschinske08/05/13
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Graph Relations at Scale with Neo4j

Need an introduction to graphs, graph databases, and a NoSQL graph database like neo4j along with a graph query language – Cypher?

Ayende Rahien08/05/13
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Reviewing Lightning Memory-Mapped Database Library: On Page Splits and Other Painful Things

The LMDB codebase is a very dense piece of code, but at the same time, it is also quite interesting. In particular, B-Trees are pretty much The Answer for a lot of on disk data structures, but they tend to be quite hard to handle properly.

Seth Proctor08/05/13
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Replicating from MySQL to NuoDB using Tungsten Replicator

Tungsten Replicator is a software package that allows replication to be established between MySQL and another database product. This blog post describes how to configure replication between MySQL and NuoDB.

Mitch Pronschinske08/04/13
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Getting Started with the Neo4j Batch Importer

Batch importing and processing is getting more and more popular it seems. This video, featuring DZone MVB Mark Needham, gives a brief tutorial on how to use the neo4j batch importer - a tool used to import large data sets.

Dan Wilson08/03/13
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Using MongoDB Aggregation Framework to Filter Trello Cards

When I was helping prepare for the CFSummit conference, we organized the sessions on Trello. The MongoDB aggregation framework is a relatively new addition to the platform. Using this framework, you can group, sort, calculate and handle information gathering in the aggregate sense. Here's how I did this for the Trello JSON data.

Mitch Pronschinske08/02/13
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Flyclops' Review of NoSQL Databases

Flyclops, a game company, recently decided that MySQL wasn't cutting it for them anymore. They tried out a bunch of different databases including CouchDB, MongoDB, Cassandra, HBase, Neo4j, DynamoDB, PostgreSQL, and a bunch more. What they finally settled on was...

Mitch Pronschinske08/02/13
6276 views
1 replies

Real-World Example Using Clojure, Datomic, Angular, and Ansible

If you're looking to learn some real-world usage scenarios for all four of these technologies all in one sweep, then look no further.

Mitch Pronschinske08/02/13
2130 views
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Redis 2.8 is SO Close!

Redis 2.8 hit release candidate 2 status this week with some of the major bugs finally getting fixed. The new release should be a welcome change given Redis' recent, and very public, incident with Twilio's billing system.

Mitch Pronschinske08/02/13
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How to Use Riak Incorrectly

If you've tried Riak and didn't like it, or you're about to start using it, you'll want to take a look at this video to see if you were using the best practices when working with this database.

Jon Brisbin08/01/13
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Asynchronous Datastore Manifesto

J Brisbin's work with NoSQL datastores over the last couple of years has given me some insight into the direction applications will inevitably take as NoSQL becomes the dominant data storage and retrieval method—at least for web and cloud-based applications.

Mitch Pronschinske08/01/13
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Aerospike: A NoSQL DB Focused On Real-Time Processing

A relatively new NoSQL data store on the scene is Aerospike. They're focused on pushing the limits of SSD/Flash in-memory data processing and providing "Storm speed" (perhaps he's referring to Twitter Storm?) which is about 10 million messages a second.

Hüseyin Akdoğan08/01/13
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The Core MongoDB Operations with Native Java Driver

This article will show you how core MongoDB operations are made using the MongoDB Java Driver version 2.11.1.

Mitch Pronschinske08/01/13
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CouchDB and BigCouch: By Their Powers Combined

Although it's not yet in a code release, Cloudant and the rest of the Apache CouchDB community has finally finished the merging of BigCouch, a HA, fault-tolerant, clustered version of CouchDB, with the primary CouchDB Apache project. The code is now in the testing phase, which you can help with.

Mark Needham08/01/13
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Polyglot Persistence: Embrace the ETL

Over the past few years I’ve seen the emergence of polyglot persistence i.e. using different data storage technologies for different data and in most situations we work that out up front. The main down side to this approach is that we now have to keep two data sources in sync but it’s interesting to think about whether this trade off is worthwhile...