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Eric Genesky05/10/13
771 views
0 replies

Cassandra Community Webinar - The Data Model is Dead

Who says that big data doesn't need a data model? You won't after this webinar. Relational systems have always been built on the premise of modeling relationships . . .

Ayende Rahien05/09/13
1280 views
0 replies

RavenDB Map/Reduce Optimization

What you can see is that we start out with a mapping & reducing values. And you can see that initially this is quite expensive.

Eric Genesky05/09/13
4237 views
0 replies

Getting Started with Neo4j

Neo Technology Senior Consultant Andreas Kollegger discussed Getting started with Neo4j, the world's leading NOSQL graph database.

Eric Genesky05/09/13
1720 views
0 replies

Data Science Practice: NoSQL and Non-Relational Databases

Here's a 1h30m presentation that will discuss the history of databases up to the recent rise of NoSQL databases.

Eric Genesky05/09/13
43686 views
0 replies

Building Cloud Storage Services with Riak

This 40-minute presentation by Andy Gross of Erlang discusses cloud storage and Riak.

Andreas Kollegger05/08/13
1879 views
0 replies

Graph Cafe is Starting in Belgium and Netherlands

I guess I can no longer keep it a secret: I really do like beer. And Graphs. So every opportunity I get I will try to talk about both

Eric Genesky05/08/13
2278 views
0 replies

DynamoDB: Data Modieling for Low Cost / High Performance

In this session, you will learn best practice techniques for minimizing payload size and modeling one-to-many relationships in DynamoDB, leveraging the versatility of hash+range primary keys.

Eric Genesky05/08/13
3510 views
0 replies

Links You Don't Want to Miss (May 8)

The annotated jQuery, Tesla and Google may co-develop auto-pilot cars, Zen Garden turns 10, and Adobe launches a subscription model for its popular Creative Suite. Also: hacking an Android smartwatch.

Eric Pugh05/08/13
1993 views
0 replies

Does FoundationDB Beat the CAP Conjecture?

We’re cohosting a hackathon with FoundationDB on Friday. For those of you not in the know, FoundationDB is a pretty exciting addition to the NoSQL space.

Chris Travers05/07/13
1797 views
0 replies

Arrays and Indexing, Problems and Solutions

Arrays in PostgreSQL are relatively well supported by the indexing engines of this RDBMS. There are a fair number of options however to be aware of and an understanding of how arrays are indexed is very helpful.

Mark Needham05/07/13
2631 views
0 replies

Sublime: Overriding Default File type/Assigning Specific Files to a File Type

I’ve been using Sublime a bit recently and one thing I wanted to do was put neo4j cypher queries into files with arbitrary extensions and have them recognised as cypher files every time I open them.

Ayende Rahien05/07/13
1015 views
0 replies

RavenDB 2.5 Features: Import Data to Excel

wonder what it says about RavenDB that we spend time doing excel integration .At any rate, we have the following documents inside RavenDB.

Ayende Rahien05/06/13
2637 views
0 replies

Raven's Storage: Memtables are Tough

Memtables are conceptually a very simple thing. You have the list of values that you were provided, as well as a skip list for searches.

Ayende Rahien05/06/13
460 views
0 replies

Raven's Storage: Memtables are Tough

Memtables are conceptually a very simple thing. You have the list of values that you were provided, as well as a skip list for searches.

Eric Genesky05/06/13
2838 views
0 replies

An Interview with Data Mining Refcard Author Giuseppe Vettigli

Today, DZone released its Data Mining Refcard, authored by Giuseppe Vettigli. We had a chance to sit down with Giuseppe to learn about his background and his experience authoring this Refcard.

Yung Chou05/06/13
955 views
0 replies

Building a Private Cloud with System Center 2012 Service Pack 1 – Managing Your Hybrid Cloud Network

We’re here for the final part in our Building a Private Cloud series and in today’s episode Keith Mayer and Yung Chou show us to manage our hybrid cloud environment with System Center 2012 SP1 App Controller.

Eric Genesky05/06/13
502 views
0 replies

Managing MonboDB Clusters on AWS with Chef

We will discuss how to manage large numbers of clusters using Chef roles. We'll also discuss how to automatically snapshot your RAID arrays and reprovision from the latest set of snapshots . . .

Eric Genesky05/05/13
3057 views
0 replies

Radical NoSQL Scalability with Cassandra

This session from last year's OREDEV developer conference covers Cassandra's data model as well as its query idioms and how to deploy it.

Eric Genesky05/04/13
1339 views
0 replies

Building Mobile Applications with NoSQL

In this presentation, you'll learn about why a NoSQL database may be the best fit for your mobile application, as well as explore some use cases for real-world deployments.

Eric Genesky05/04/13
958 views
0 replies

On Moving Beyond the No/New/SQL Debate

With the wide adoption of hosted commodity hardware, no-sql, REST, HTML5 and d3, we are entering a brave new world.

Ayende Rahien05/03/13
1057 views
0 replies

Raven's Storage: Understanding the SST File Format

If you are wondering about the binary format, that is what this post is all about. We actually start from the end. We have the last 48 bytes of the file are dedicated to the footer.

Eric Genesky05/03/13
1077 views
0 replies

Building RightScale's Globablly Distributed Datastore

Is your database holding back your application? Find out how we at RightScale use NoSQL databases such as Cassandra to provide a scalable, distributed, and highly available service around the world . .

Ayende Rahien05/03/13
672 views
0 replies

Raven's Storage: Reading a Sorted String Table

When reading a SST, we have to deal with values of potentially large sizes. I want to avoid loading anything into managed memory if I can possible avoid it.

Eric Genesky05/03/13
2394 views
0 replies

MongoDB Backup Service Limited Release

10gen recently announced a cloud-based backup service designed for MongoDB. Here's a slice of the announcement . . .

Sandeep Patel05/02/13
2082 views
0 replies

Getting Started with Redis Store: Installation in Ubuntu

Here's a simple step-by-step tutorial for getting started with Redis on Ubuntu