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Riak: Updated Examples For "Seven Databases in Seven Weeks"

In my last post, I showed you how to fix an example from from the "Seven Databases in Seven Weeks" to run against Riak 1.1.4. This post shows a few...

0 replies - 2328 views - 08/19/12 by Rodrigo De Castro in Articles

Speeding up Graph Retrieval Algorithm by 1000x

Almost 2 months ago I talked in our oberseminar about Typology. Most readers of my blog will already know the project which was initially implemented by my...

0 replies - 1620 views - 08/19/12 by René Pickhardt in Articles

MongoDB and NoSQL

I recently started playing around with NoSQL databases as became interested in MongoDB. Here is a great video tutorial that will get you quickly introduced...

0 replies - 4830 views - 08/18/12 by Eric Silva in Articles

NoSql and a Life Without Schema

NoSql is not a replacemente for SQL databases, but it is a valid alternative for a lot of situations where standard SQL is not the best approach to store...

0 replies - 4270 views - 08/17/12 by Ricci Gian Maria in Articles

MySQL Cluster / NDB as a key value store - Better results this time

Following up on my series of "how much performance do I get when I access RAM only", the most recent post being this, and as you can see there,...

0 replies - 3621 views - 08/15/12 by Anders Karlsson in Articles

Neo4j High Availability Over VPN

Neo4j's High Availability enables a torrent of data flowing to clients by replicating the graph across a synchronized cluster of servers. The...

0 replies - 2175 views - 08/15/12 by Andreas Kollegger in Articles

neo4j: Creating a Custom Index With neo4j.rb

As I mentioned in my last post, I’ve been playing around with the TFL Bus stop location and routes API. One thing I wanted to do was load all the bus stops...

0 replies - 2560 views - 08/15/12 by Mark Needham in Articles

Some Corrections and Additions to my Simple Key-Value Store Tests

Before we get started, here's a link to the first post. This is the first follow-up to my post on a simple test of KVS alternatives. To recap, I tested a...

0 replies - 2188 views - 08/14/12 by Anders Karlsson in Articles

Neo4j Internals

An overview of Neo4j Internals View more presentations from Tobias Lindaaker It is interesting to see how node, relationship and property records are...

0 replies - 2998 views - 08/14/12 by Max De Marzi in Articles

Feature Dependencies Chains

I wanted to improve the RavenDB query optimizer, so it can merge similar indexes into a single index. It is actually fairly simple to do (conceptually)....

0 replies - 1596 views - 08/13/12 by Ayende Rahien in Articles

Book Review: MongoDB with Python and Ming

This week I bought Rick Copeland’s MongoDB with Python and Ming eBook from Amazon. It just came out in July 2012, so I figured I should check it out and...

0 replies - 2451 views - 08/13/12 by Mike Driscoll in Articles

Summarize Opinions With a Graph – Part 1

How does the saying go? Opinions are like bellybuttons, everybody’s got one? So let’s say you have an opinion that NOSQL is not for...

0 replies - 2879 views - 08/13/12 by Max De Marzi in Articles

Neo4j 1.8.M07 - Sharing is Caring

Original author: Andreas Kollegger from the Neo4j BlogAvailable immediately, Neo4j 1.8 Milestone 7 sets the stage for responsible data sharing. We’re open...

0 replies - 2192 views - 08/13/12 by Will Soprano in Articles

MySQL as a Key Value Store (KVS) - Some Background and Some More Tests

You might have seen my attempts at testing MySQL as a Key Value Store (KVS) (here and here), i.e. used like MongoDB, and I have had some comments to those....

0 replies - 4977 views - 08/09/12 by Anders Karlsson in Articles

Fault-Tolerant Systems Are Faulty

Richard Cook wrote an excellent article How Complex Systems Fail. The author packs a lot of ideas into four pages, divided into 18 points. Here are his first...

0 replies - 3593 views - 08/08/12 by John Cook in Articles