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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...

Eric Genesky07/30/13
2220 views
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Animated Short: SQL vs. NoSQL

Here's a real quick video of the war between SQL and NoSQL methodologies.

Don Pinto07/30/13
795 views
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Couchbase Developer Days and LivePerson: Who, What and Why?

I've recently returned from a rather brilliant Couchbase trip to Israel. My colleague Tug Grall and I lead the Couchbase Developer Day held at the LivePerson offices . . .

Ayende Rahien07/30/13
575 views
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Reviewing Lightning memory-mapped database library: On disk data

As mentioned, the data in LMDB is actually stored in page. And I am currently tracking through the process in which we add a new item to the database.

Marko Rodriguez07/30/13
512 views
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Global vs. Local Graph Ranking

Graph ranking algorithms are all about mapping a complex graphical structure to a numeric vector. For a given algorithm, a single numeric value in the resultant vector corresponds . . .

Eric Genesky07/30/13
1354 views
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Managing MongoDB Clusters on AWS with Chef

Here's a discussion of how to manage large numbers of clusters using Chef roles, as well as how to automatically snapshot RAID arrays.

Esen Sagynov07/29/13
1116 views
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New CUBRID PHP and PDO drivers now support altHosts and loadBalancing

We are happy to announce that we have updated our CUBRID PHP and PDO drivers to roll out loads of improvements and bug fixes.

Eric Genesky07/29/13
1137 views
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Mapping Music with Facebook

More than 110 million songs, albums and radio stations have been played 40 billion times through apps integrated with Facebook’s Open Graph.

Eric Genesky07/29/13
870 views
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On Cascading Behavior in Complex Networks

This lecture from 2010 was presented by Jon Kleinberg of Cornell University. He focuses his discussion of cascading behavior on large social networks by . . .

Eric Genesky07/29/13
3678 views
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Presenting NoSQL Solutions - MongoDB and Neo4j

Here's a 90-minute presentation from SeaJUG 2013. It focuses on a couple popular NoSQL solutions.

Eric Genesky07/26/13
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A Lecture on Graph Traversal

The following 1:22 lecture was originally presented by Professor Steven Skiena at the Hong Kong University of Science and Technology.

Moshe Kaplan07/26/13
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MongoDB Sharding

If I should have made some safe bets on the near future, I would choose two: Hadoop and MongoDB.

Ayende Rahien07/25/13
1578 views
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Reviewing Lightning memory-mapped database library: Stepping through make everything easier

Okay, I know that I have been critical about the LMDB codebase so far. But one thing that I really want to point out for it is that it was pretty easy to actually get things working on Windows.

Eric Genesky07/25/13
813 views
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Introduction to NoSQL with Couchbase

Here's a 1-hour webinar on developing apps with Couchbase using indexes and queries. It was presented by Chris Anderson, chief architect at Couchbase.

Brian O' Neill07/25/13
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Broken Glass: Diagnosing Cassandra Production Issues

I just past my second year anniversary at Health Market Science (HMS), and we've been working with Cassandra for almost the entirety of my career here.

Geraint Jones07/25/13
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Using Morphia to Map Java Objects in MongoDB

MongoDB is an open source document-oriented NoSQL database system which stores data as JSON-like documents with dynamic schemas.

Arnon Rotem-gal-oz07/24/13
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ReSQL?

The NoSQL moniker that was coined circa 2009 marked a move from the “traditional” relational model . . .

Ayende Rahien07/24/13
703 views
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Raven Storage; Early Performance Numbers

So, our managed implementation of leveldb is just about ready to go out and socialize. Note that those are just for a relatively short duration, but they give us good indicator of where we are.

Eric Genesky07/24/13
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PostgreSQL as a "Document Database

Here's a 38-minute presentation by Hannu Kosing called "PostSQL - Using PostgreSQL as a Better NoSQL"

Ayende Rahien07/24/13
1055 views
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Challenge: The problem of locking down tasks…

The following code has a very subtle bug - can you figure out what the problem is?

Eric Genesky07/23/13
1014 views
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DDD with Ruby On Rails and MongoDB

This 1-hour presentation on MongoDB and Ruby on Rails was given by Paul Rayner.

Eric Genesky07/23/13
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Gaming with NoSQL

At a recent game developers conference, the chief architects of Basho and Rovio Entertainment, of Angry Birds fame, presented how Rovio uses Riak.

Eric Genesky07/23/13
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Creating Hybrid Applications with MongoDB and RDBMS

This session starts of by describing why we now have many different approaches to storing data and how to identify use cases for noSQL, RDBMS and warehousing.

Seth Proctor07/22/13
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It's the Architecture

In a way it’s interesting that we write and talk so much about what happens within our system because our high-level goal has always been to make NuoDB as simple to use as possible.

Don Pinto07/22/13
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Couchbase @ Clickspace : Transforming digital signage

I got a chance to catch-up with Alek Mlynek, CTO of Clickspace, an online platform offering a wide array of multimedia services through websites.