NoSQL Zone is brought to you in partnership with:
  • submit to reddit
Dan Wilson08/03/13
3986 views
0 replies

Using MongoDB Aggregation Framework to Filter Trello Cards

When I was helping prepare for the CFSummit conference, we organized the sessions on Trello. The MongoDB aggregation framework is a relatively new addition to the platform. Using this framework, you can group, sort, calculate and handle information gathering in the aggregate sense. Here's how I did this for the Trello JSON data.

Mitch Pronschinske08/02/13
3757 views
0 replies

Flyclops' Review of NoSQL Databases

Flyclops, a game company, recently decided that MySQL wasn't cutting it for them anymore. They tried out a bunch of different databases including CouchDB, MongoDB, Cassandra, HBase, Neo4j, DynamoDB, PostgreSQL, and a bunch more. What they finally settled on was...

Mitch Pronschinske08/02/13
6305 views
1 replies

Real-World Example Using Clojure, Datomic, Angular, and Ansible

If you're looking to learn some real-world usage scenarios for all four of these technologies all in one sweep, then look no further.

Mitch Pronschinske08/02/13
2142 views
0 replies

Redis 2.8 is SO Close!

Redis 2.8 hit release candidate 2 status this week with some of the major bugs finally getting fixed. The new release should be a welcome change given Redis' recent, and very public, incident with Twilio's billing system.

Mitch Pronschinske08/02/13
1112 views
0 replies

How to Use Riak Incorrectly

If you've tried Riak and didn't like it, or you're about to start using it, you'll want to take a look at this video to see if you were using the best practices when working with this database.

Jon Brisbin08/01/13
6335 views
0 replies

Asynchronous Datastore Manifesto

J Brisbin's work with NoSQL datastores over the last couple of years has given me some insight into the direction applications will inevitably take as NoSQL becomes the dominant data storage and retrieval method—at least for web and cloud-based applications.

Mitch Pronschinske08/01/13
2134 views
0 replies

Aerospike: A NoSQL DB Focused On Real-Time Processing

A relatively new NoSQL data store on the scene is Aerospike. They're focused on pushing the limits of SSD/Flash in-memory data processing and providing "Storm speed" (perhaps he's referring to Twitter Storm?) which is about 10 million messages a second.

Hüseyin Akdoğan08/01/13
1842 views
0 replies

The Core MongoDB Operations with Native Java Driver

This article will show you how core MongoDB operations are made using the MongoDB Java Driver version 2.11.1.

Mitch Pronschinske08/01/13
1951 views
0 replies

CouchDB and BigCouch: By Their Powers Combined

Although it's not yet in a code release, Cloudant and the rest of the Apache CouchDB community has finally finished the merging of BigCouch, a HA, fault-tolerant, clustered version of CouchDB, with the primary CouchDB Apache project. The code is now in the testing phase, which you can help with.

Mark Needham08/01/13
2157 views
0 replies

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
2224 views
0 replies

Animated Short: SQL vs. NoSQL

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

Don Pinto07/30/13
798 views
0 replies

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
576 views
0 replies

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
513 views
0 replies

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
1361 views
0 replies

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
1120 views
0 replies

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
1141 views
0 replies

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
876 views
0 replies

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
3686 views
0 replies

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
1675 views
0 replies

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
8598 views
0 replies

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
1589 views
0 replies

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
815 views
0 replies

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
497 views
0 replies

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
14531 views
0 replies

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.