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Thomas Kratz09/02/13
17321 views
0 replies

From Hibernate to MongoDB, Part 1

Hear about one developer's working proof of concept for changing his persistence layer from Hibernate/Hibernate Search to MongoDB.

Mitch Pronschinske09/02/13
3566 views
0 replies

How I MapReduced a Neo4j Store w/ Hadoop

See how Hadoop was used to scale the creation of very large Neo4j databases by distributing the load across a cluster and how it solved problems like creating sequential row ids and position-dependent records using a distributed framework like Hadoop.

Kapil Viren Ahuja09/02/13
7120 views
1 replies

Learning MongoDB: The CRUD

Week 2 is about CRUD, which in Mongo terms is Insert, Find, Update, Remove (they didn’t have a cool acronym like CRUD).

Mitch Pronschinske09/02/13
1317 views
0 replies

Riak in a .NET World

In this tutorial, learn about CorrugatedIron, the .NET Riak Client and where and how to interact with a Riak Cluster.

Mitch Pronschinske09/01/13
2238 views
0 replies

Neo4j Control Panel (Neo4jCP) Tutorial

In this screencast you'll get a good intro to the ins and outs of Neo4j's control interface, called the Neo4j Control Panel (Neo4jCP)

Mitch Pronschinske08/30/13
7048 views
0 replies

Who Uses Redis?

Excluding Facebook and Google+, I'd say that Redis has permeated all of the biggest social media sites to date. It's a pretty solid endorsement.

Mitch Pronschinske08/30/13
3428 views
0 replies

Couchbase Nabs $25M in Series D Funding

This week, Couchbase netted $25 million from a range of investors to keep driving its growth. Through the merger of Couchio/CouchOne and Membase, along with the product name changing, Couchbase has stayed competitive in a ferocious commercial NoSQL market.

Mitch Pronschinske08/30/13
3556 views
0 replies

How Hadoop and Cassandra Were Used to Build a Suicide Risk Prediction Engine

I found an interesting article on planetcassandra.org that converted a talk from the 2013 Cassandra Summit into a blog post.

Mitch Pronschinske08/29/13
7929 views
0 replies

Do Developers Use NoSQL Because They're Too Lazy to Use RDBMS Correctly?

"These kids think they’re solving problems [with MongoDB] that IBM (et al) solved quite literally before they were born in some cases"

Zardosht Kasheff08/29/13
2438 views
0 replies

Why Unique Indexes are Bad

Before creating a unique index, ask yourself, “does my application really depend on the database enforcing uniqueness of this key?” If the answer is ANYTHING other than yes, do not declare the index to be unique. Why? Because unique indexes may kill your write performance. In this post, you'll see why.

Calvin French-owen08/29/13
3385 views
0 replies

What 10gen nailed with MongoDB

If you’re looking for lessons in building a developer-focused product, you should look no further than 10gen (now MongoDB, Inc.)'s decisions with MongoDB. They demonstrate some of the best ways to build a community around a product and make developers love it.

Leif Walsh08/29/13
1717 views
0 replies

Building TokuMX and TokuDB for Production

I created a Vagrant config that has all the dependencies you need to build any of the community products, and simplified build scripts that you can use to build TokuMX or TokuDB. Check it out here: Tokutek/vagrant-tokutek-builder.

Mitch Pronschinske08/29/13
1552 views
0 replies

Neo4j Users Build Cypher Shell for Logging

On the BioCodersHub community website, a recent post announced a little tool for Neo4j and the graph database query language, Cypher. These developers needed Neo4j and Cypher to perform a certain style of logging, so they built a utility that did that and open sourced it.

Lukas Eder08/28/13
6381 views
0 replies

MIT Prof. Stonebraker: “The Traditional RDBMS Wisdom is All Wrong”

A very interesting talk about the future of DBMS was recently given at EPFL by MIT Professor and VoltDB Co-founder and CTO Michael Stonebraker, who also gave us Ingres and Postgres.

Lukas Eder08/28/13
3428 views
0 replies

Stonebraker Talk Triggers Critics' Discussion

My recent blog post about Stonebraker’s talk at the EPFL (host university to Prof. Martin Odersky, creator of the Scala Language and Co-Founder of Typesafe) has triggered a very interesting discussion.

Marko Rodriguez08/28/13
1382 views
0 replies

Developing a Domain Specific Language in Gremlin

At Pearson, the OpenClass domain model is extended into a programmatic construct, a DSL based on Gremlin, which abstracts away the language of the graph.

Mitch Pronschinske08/28/13
1135 views
0 replies

10gen is Now "MongoDB, Inc."

10gen, the core company behind MongoDB development, has officially changed its name this week to MongoDB, Inc. The company has gained significant venture capital investments over the past few years and they still retain many elite programmers along with the MongoDB creators.

Kapil Viren Ahuja08/28/13
1267 views
0 replies

Learning MongoDB: It Begins to Sink in

I recently finished the 1st week of the 10gen MongoDB intro course in under 5 hours, which included listening to lectures, answering quizzes and submitting my homework, plus some other stuff I wanted to try out.

A. Jesse Jiryu Davis08/27/13
1660 views
0 replies

PyMongo 2.6 Released

It's my pleasure to announce that Bernie Hackett and I have released PyMongo 2.6, the successor to PyMongo 2.5.2, with new features and bugfixes.

Mitch Pronschinske08/27/13
2869 views
1 replies

Riak for Windows 8

Basho developer, Adron Hall has just released his Riak interface application for Windows 8, which he has named "Junction."

Mitch Pronschinske08/27/13
1818 views
0 replies

HBase "Man in the Middle" Vulnerability Discovered

The specialists at CX Security recently reported a 'severe'-labelled exploit for the HBase NoSQL data store. The only solution is to make plans to upgrade as quickly as possible to version 0.92.3 when it is released, or upgrade to 0.94.9 or later.

Mitch Pronschinske08/27/13
1648 views
0 replies

Riak Data Structures

This slideshow should give you some nice, quick illustrations for understanding the data structures of Riak and its advantages.

Kapil Viren Ahuja08/27/13
1700 views
0 replies

Learning MongoDB - Starting the 10gen Course

Pretty easy to install and get going // I use a Mac and hence I had to use some manual steps, but I had the mongo db and shell up and running in about 10 minutes (download time included)

S M Sohan08/26/13
3855 views
0 replies

Hybrid Persistence

Hybrid persistence works fine for caching. But whenever your data is split into multiple sources in way that you’d have to combine the parts from each, it’s not gonna be fun time. Just so you know.

Doug Turnbull08/26/13
4458 views
0 replies

4 Reasons We’re Really Excited About FoundationDB

As you might have heard, FoundationDB became publicly available last week. As we’ve discussed in the past, we’re very excited here at OpenSource Connections about this emerging database.