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Dustin Marx05/23/14
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Hello, Cassandra: Steps to Get Started

A colleague of the author's recently told him about several benefits of Cassandra, so he decided to try it out. In this article, the author provides a summary of steps for getting started with Cassandra.

Alec Noller05/23/14
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MongoDB Tips & Tricks: Handling $type and Arrays

According to Thomas Zahn, Co-Founder and CEO of 3T Software Labs, coming to MongoDB from a relational database background is a relief. However, that's not to say that MongoDB is completely free of cryptic design choices that may leave developers puzzled.

Ayende Rahien05/23/14
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RavenDB Conf Videos: New Features in RavenDB 3.0

In this video from the RavenDB Conference, RavenDB creator and Hibernating Rhinos founder Oren Eini discusses the new features of RavenDB 3.0.

Andreas Kollegger05/22/14
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Graphs & The Internet of (Connected) Things

Neo4j makes it easy to model connectedness like device usage and management, as well as location, in the same context as data that makes today's applications rich. To demonstrate, we asked GraphAlchemist to build an IoT demo to illustrate the use of graphs with wearables and other connected devices.

Don Pinto05/22/14
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Announcing Newer Version of Couchbase Plug-in for Elasticsearch

We’re happy to announce the update to our Couchbase Plug-in for ElasticSearch. Plug-in is now updated to work with latest release of Couchbase Server 2.5.1 and Elasticsearch 1.0.1.

Moshe Kaplan05/21/14
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6 Easy Steps to Configure MongoDB Replication Set

In this tutorial we'll create a 3-node cluster, where the first serves as a primary node, the second as a failover node, and the third as an Arbiter.

Don Pinto05/21/14
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Expiry Callbacks for Couchbase Server

Couchbase includes a TTL (Time To Live) as part of the meta data fields for each document. What if the high performance and flexibility of Couchbase Server were leveraged to provide callbacks for document expiration? Introducing "expiry-notifier" from Couchbase Labs.

Ayende Rahien05/21/14
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RavenDB Conf Videos: Scalability and High Availability with RavenDB

In this video, Dan Bishop is talking about high scalability RavenDB, and he is one of the guys behind RavenHQ, so he should know.

Valeri Karpov05/20/14
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What’s New in Mongoose 3.8.9

Recently, Mongoose 3.8.9 was (finally) released. This was primarily a maintenance release, the major priority was to clean up several test failures against the new stable version of the MongoDB server, 2.6.x, without any backward-breaking API changes.

Alec Noller05/20/14
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Poll Results: What Databases do Hacker News Readers Use?

Recently, Hacker News user roryhughes ran a poll asking what database Hacker News readers (or their companies) use. While the sample size may not be the largest, and "Hacker News readers" is probably not a perfect cross-section of the development world, it's an interesting look at what people are actually using.

Ayende Rahien05/20/14
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RavenDB Conf Videos: Extending RavenDB with Bundles, Plugins, and Listeners

In this video from the RavenDB Conference, Matt Johnson talks about how you can extend RavenDB client and server side.

Alexander Beletsky05/19/14
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Got Tired of MongoDB Full Text Index

The author used MongoDB as the primary data source in Likeastore and went the way of MongoDB Full Text Search. Everything was fine initially, but after a while it became obvious that MongoDB FTS could not satisfy him any more.

Shane Johnson05/19/14
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Consistent: To Be, or Not To Be

Is data in MongoDB consistent? Is data in Couchbase Server consistent? In this article, the author compares data consistency in two NoSQL solutions, diagramming the structure of each.

Alec Noller05/18/14
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The Best of the Week (May 9): NoSQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the NoSQL Zone. This week's best include the ups and downs of migrating from Redis to MongoDB, a look at how to harness Wikipedia's location data with MongoDB, modeling tricks from the RavenDB Conference videos, and more.

Alec Noller05/17/14
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MongoMem: Optimize Memory Use in MongoDB

MongoDB users: do you have a way to tell how much memory each collection is using? For the Wish Engineering team, the answer was "no," and that's why they developed MongoMem, which allows MongoDB developers to precisely locate collections in need of memory-use optimization.

Adam Fowler05/16/14
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Cloudera & MongoDB: The Limitations of Choice in NoSQL

Cloudera and MongoDB released an interesting press release this week where they aim to continue to work closely together. Is this AGoodThing[™]? The author discusses here.

Eyal Golan05/16/14
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Seven Databases in Seven Weeks: Hbase, Day 2

This post is a recap of the second day of Hbase from the Seven Databases in Seven Weeks book. The first thing the author had to do in day two was download lots of data (big data) and stream it into Hbase, and then customize a JRuby script.

Ayende Rahien05/16/14
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RavenDB Conf Videos: RavenDB, CQRS and EventSourcing are Easy Peasy

In this video from the RavenDB Conference, Mauro Servienti takes a look at RavenDB, CQRS and EventSourcing.

Shane Johnson05/15/14
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The Impact of IoE on NoSQL

If the Internet of Everything will read and write to NoSQL databases, do they need to support communication over MQTT / CoAP? What if they did? What would the enterprise architecture look like, and what would be the impact?

Andreas Kollegger05/15/14
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With, we’re collecting everything you need to know in one place. We’re pulling in written content from many sources, including,, and

Ayende Rahien05/15/14
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RavenDB Conf Videos: Document Based Messaging with RavenDB 3.0

In this article, Kijana Woodard discusses messaging with RavenDB in this talk - his second ever! - from the RavenDB Conference.

Max De Marzi05/14/14
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Translating Cypher To Neo4j Java API 2.0

About 6 months ago we looked at how to translate a few lines of Cypher in to way too much Java code in version 1.9.x. Since then Cypher has changed, and the author sucks a little less at Java, so he wanted to share a few different ways to translate one into the other.

Don Pinto05/14/14
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Couchbase .NET SDK 2.0 Developer Preview 1

At long last, we present the official Developer Preview 1 (DP1) for the Couchbase .NET 2.0 SDK! This DP1 represents the minimal subset of features promised and should give you a feel for the direction we are taking the API from a developer’s perspective.

Alec Noller05/14/14
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How to Harness Wikipedia's Location Data with MongoDB

There is a lot of information on Wikipedia - basically all the information there is, right? - but one particularly interesting bit of data that can be pulled from Wikipedia articles is location data. And when you have a boatload of data with no real purpose, what do you do with it? Put it into MongoDB, of course.

Don Pinto05/13/14
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New Relic + Couchbase on Heroku = <3

New Relic has become an industry standard for web application performance measurement. With Kurobase releasing a new-relic add-on for Couchbase on the heroku platform, developers can have really good analysis and optimization tools at their disposal.