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Max De Marzi09/12/14
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Tracking User Paths in an IVR with Neo4j

I started my career writing applications for a Call Center at a small bank in Florida. I remember the bank had purchased whatever the “Cadillac” of IVR systems was then for some crazy amount of money. A few years ago I built one for a property management firm, I’ll use that as an example.

Alec Noller09/12/14
1875 views
0 replies

Apache Cassandra v2.1 Released

The 2014 Cassandra Summit went on for the last two days. You may have been there if you're a hardcore Cassandra fan. This year's event, though, also marked the release of Cassandra v2.1.

Francesca Krihely09/11/14
5325 views
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Efficient Indexing in MongoDB 2.6

One of the most powerful features of MongoDB is its rich indexing functionality. Users can specify secondary indexes on any field, compound indexes, geospatial, text, sparse, TTL, and others. In the following sections we will take a deep dive into index intersection and how it can be applied to applications.

Andreas Kollegger09/10/14
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Neo4j's Graph: Four Things You Didn’t Know About Doctor Who

Doctor Who is known as many things: a science-fiction institution, the stuff of nightmares for generations of British children and, for some, a route into graph databases!

Itamar Haber09/09/14
5008 views
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The 1.2M Ops/Sec Redis Cloud Cluster Single Server Unbenchmark

While catching up with the world the other day, I read through the High Scalability guest post by Anshu and Rajkumar's from Aerospike (great job btw). I really enjoyed it and was impressed by the heavy tweaking that they did to their EC2 instance to get to the 1M mark, but I kept wondering - how would Redis do?

Valeri Karpov09/08/14
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Defending Against Query Selector Injection Attacks

In case you haven’t come across Petko Petkov’s post on injection attacks against MongoDB and NodeJS yet, its definitely worth a careful read. In this article, he explains a pretty simple exploit that I suspect affects a fair number of applications, including some that I’ve implemented.

Don Pinto09/04/14
3462 views
0 replies

Couchbase .NET SDK 1.3.9 Released!

Today we released a very minor version 1.3.9 of the Couchbase .NET SDK with a single patch. With the .NET SDK 2.0 Beta just around the corner, priorities have shifted to 2.0 development and specifically: stamping out major bugs, documentation and the new example applications.

John Georgiadis09/04/14
2950 views
2 replies

Deploying the MongoDB Morphia ODM in OSGi

Morphia is an ODM library for MongoDB. It may be considered as the lightweight alternative of Spring Data MongoDB or as a richer version of Jongo. The Morphia core JAR is OSGi-ready. However enabling entity class resolution in Morphia when running in an OSGi container such as Apache Karaf requires a few additional steps.

Robert Diana09/04/14
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NoSQL Job Trends: August 2014

In this update, I am splitting the graphs into two as I include more products. So, for the NoSQL job trends, we will be looking at Cassandra, Redis, Couchbase , SimpleDB, CouchDB, MongoDB, HBase, Riak, Neo4j and MarkLogic.

Kenny Bastani09/04/14
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Using a Graph Database for Deep Learning Text Classification

Graphify is a Neo4j unmanaged extension that provides plug and play natural language text classification. Graphify gives you a mechanism to train natural language parsing models that extract features of a text using deep learning.

Don Pinto09/02/14
2672 views
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Updates to Couchbase Mobile with 1.0.2

We've been make gradual pushes of bug fixes and performance optimizations to the public. Our latest efforts in addressing the feedback we received for 1.0.0 was made this week with the release of 1.0.2 packages for Couchbase Lite iOS and Android, as well as a 1.0.2 release for the Sync Gateway.

Adam Fowler09/01/14
3613 views
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MLJS Node.js Major Bug Fix...

You know those simple code changes that shouldn’t change anything, but actually break everything?… Yeah…

Alec Noller08/31/14
5219 views
0 replies

The Best of the Week (July 22): 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 Trisha Gee's tutorials on getting started with MongoDB and Java, a look at what a query might be doing in RavenDB, 12 tips for going into production with MongoDB, and more.

Francesca Krihely08/29/14
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The 6 People You'll Meet at MongoDB Days

Whether it's a new MongoDB fanatic who loves developing with the MEAN stack or a DBA with a black belt in MongoDB, you'll meet people from all different backgrounds and expertise. Here's a few characters you can expect to meet at the Fall 2014 MongoDB days.

Francesca Krihely08/28/14
3820 views
0 replies

How to Perform Fuzzy-Matching with Mongo Connector and ElasticSearch

Suppose you're running MongoDB. Now, imagine that you're also building a text-search feature, and you've chosen to use a Lucene-based project, Elasticsearch or Solr. How will this tool search through your documents stored in MongoDB? And how will you keep the contents of the search engine up-to-date?

Alec Noller08/27/14
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Dev of the Week: Trisha Gee

Every week, we feature a new developer/blogger from the DZone community to catch up and find out what he or she is working on now and what's coming next. This week we're talking to Trisha Gee, developer at 10gen, expert in high performance Java systems, and leader in the London Java Community.

Francesca Krihely08/26/14
3580 views
0 replies

Setting up Java Applications to Communicate with MongoDB, Kerberos and SSL

Setting up Kerberos authentication and SSL encryption in a MongoDB Java application is not as simple as other languages. In this post, I’m going to show you how to create a Kerberos and SSL enabled Java application that communicates with MongoDB.

Don Pinto08/26/14
3189 views
0 replies

Couchbase Java SDK 2.0.0 Beta 1

On behalf of the whole SDK team I'm happy to announce the first beta release of the Java/JVM SDK release train nicknamed Armstrong. It contains both the JVM core package "core-io" 1.0.0-beta as well as the Java SDK 2.0.0-beta.

Dharshan Rangegowda08/26/14
3836 views
0 replies

Understanding durability & write safety in MongoDB

Durability is the "D" in the "ACID" properties popularized by traditional RDBMS. Durability is the guarantee that written data has been saved and will survive permanently. NoSQL databases like MongoDB give developers fine grained control over the durability of their write calls.

Francesca Krihely08/25/14
4006 views
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12 Tips for Going into Production with MongoDB

Are you going into production with MongoDB? Don’t flip the switch yet! Read these 12 tips from our expert support engineers to make your launch a success.

Mark Needham08/25/14
3570 views
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Neo4j: LOAD CSV - Handling Empty Columns

A common problem that people encounter when trying to import CSV files into Neo4j using Cypher’s LOAD CSV command is how to handle empty or ‘null’ entries in said files.

Alec Noller08/24/14
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The Best of the Week (Aug. 15): 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 part two of 10 possible MongoDB security mistakes, a "Hello World" example for Spring Data MongoDB with Spring MVC, the Couchbase Java SDK 2.0.0 developer preview, and more.

Trisha Gee08/23/14
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Getting Started with MongoDB and Java

We’ve been missing an introduction to using MongoDB from Java for a little while now - there’s plenty of information in the documentation, but we were lacking a step-by-step guide to getting started as a Java developer.

Chris Chang08/22/14
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A Primer on Geospatial Data and MongoDB

MongoDB offers new geospatial features in versions 2.4 and 2.6. The core of these features is the introduction of GeoJSON, an open-source format for rich geospatial types that go beyond what MongoDB has supported in previous versions.

Ayende Rahien08/22/14
3657 views
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What is My Query Doing?

Recently we had to deal with several customers support requests about slow queries in RavenDB. Now, just to give you some idea about the scope. We consider a query slow if it takes more than 50ms to execute (excluding client side caching).