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Mark Needham06/18/13
3377 views
0 replies

neo4j/cypher/Lucene: Dealing with special characters

neo4j uses Lucene to handle indexing of nodes and relationships in the graph but something that can be a bit confusing at first is how to handle special characters in Lucene queries.

Jakub Holý06/18/13
2804 views
0 replies

Making Sense of Datomic, the Revolutionary Non-NoSQL Database

I have finally managed to understand one of the most unusual databases of today, Datomic, and would like to share it with you.

Ayende Rahien06/18/13
704 views
0 replies

RavenDB: Aggregation, they work!

Just to give you some idea, this is sitting on top of RavenDB’s implementation of leveldb. In fact, I have been using this code to test out the leveldb implementation.

Joe Stein06/17/13
3041 views
0 replies

Distributed System Development Considerations

There are a number of factors to take into account while developing distributed software systems.

Maarten Ectors06/17/13
1597 views
0 replies

Presto - Facebook's Exabyte-Scale Query Engine

Presto is an ANSI-SQL compatible real-time data warehouse query engine so existing data tools should be working with it unlike Hive which needed special integration . . .

Ayende Rahien06/17/13
634 views
0 replies

Deadlocking with the TPL, how to

As I mentioned, I run into a very nasty issue with the TPL. I am not sure if it is me doing things wrong, or an actual issue.

Eric Genesky06/17/13
601 views
0 replies

NoSQL Matters: Creating Neo4j Graph Databases with Hadoop

Kris Geusebroek gave this 30-minute presentation at NoSQL matters.

Seth Proctor06/16/13
839 views
0 replies

Python Management Interfaces

If you follow-along on the tech blog you’ve seen the news that we opened our Python driver this week. We’re pretty excited.

Eric Genesky06/16/13
1403 views
0 replies

Using Graph Databases to Analyze Relationships, Risks and Business Opportunities

This presentation will explain the advantages of graph databases, and how graphs can be used for a number of important functions, including risk management, relationship analysis and the identification of new business opportunities.

Ayende Rahien06/15/13
889 views
0 replies

RavenDB 2.5 Release Candidate is out

Starting with build 2603, we are now considering 2.5 to be a release candidate. It is feature frozen, and only bug fixes are going in.

Eric Genesky06/15/13
682 views
0 replies

MapR Technologies Provide Enterprise Grade NoSQL and Hadoop

Jack Norris, CMO of MapR Technologies, presents a 22-minute screencast on MapR's NoSQL and Hadoop solutions for the enterprise.

Eric Genesky06/14/13
975 views
0 replies

Hello @World #Cassandra

This presentation by Aaron Morton looks at Apache Cassandra's application to some leading technologies, including Netflix, Twitter, Reddit, and Rackspace.

Ayende Rahien06/14/13
931 views
0 replies

An Update to My HyperLevelDB Review

It appears that in my previous post I have had an issue with how I read the code. In particular, I looked at the commit log and didn’t look at the most recent changes with regards to how HyperLevelDB does the writes . . .

Seth Proctor06/14/13
829 views
0 replies

PyNuoDB: NuoDB Meets Python

I’m excited to announce that the beta version of pynuodb, the NuoDB Python driver, is now available on Github! You can also sign up to be an official participant in the beta program.

Eric Genesky06/14/13
2256 views
0 replies

RabbitMQ Simulator

A demo of the new version of the RabbitMQ simulator with support for several exchange types, importing and exporting configuration and more.

Eric Genesky06/13/13
1242 views
0 replies

An Introduction to Apache Cassandra

Intellipaat presents this 1-hour training course focused on Apache Cassandra.

Eric Genesky06/13/13
1261 views
0 replies

NoSQL for SQL Professionals

This presentation from Couchbase covers the main characters of NoSQL databases, as well as the differences between NoSQL and relational databases . . .

Eric Genesky06/13/13
1401 views
0 replies

Relational Databases vs. NoSQL Tradeoffs for Startups

The key message of this talk was not a feature comparison of different relational and NoSQL databases, but rather analysis of application of the databases mainly for startups . . .

Eric Genesky06/13/13
670 views
0 replies

NoSQL and Graph, a Love Story

The idea of this talk is to refresh our graph theory know how, see which technologies and projects are there right now, the state of the art and feature developments within the graph processing area.

Mikio Braun06/12/13
1820 views
1 replies

The Real-Time Big Data Landscape

The number of companies startups working in the real-time big data space is pretty stunning (including ourselves).

Ayende Rahien06/12/13
1216 views
0 replies

Reviewing HyperLevelDB - Compactions

The fun part is that I can easily check just the things that were changed by HyperDex, I don’t need to go read and understand a completely new engine.

Chase Seibert06/12/13
3373 views
0 replies

Sqoop/HBase Quickstart on Linux

Sqoop is a tool for bulk copying data between a relational database like MySQL and HDFS or another Hadoop based data store like Hive or HBase.

Eric Genesky06/12/13
2295 views
0 replies

Links You Don't Want to Miss (June 12)

Today, a couple data giants respond to Big Brother. Also, 10 deadly sins against scalability, and Obama looks over your shoulder while your'e writing an email.

Esen Sagynov06/11/13
1301 views
0 replies

Test Automation Using Hudson and Selenium at NHN Services

So far, we have reviewed test automation applied to NAVER services. NHN has already automated tests for many services by using Hudson and Selenium WebDriver.

Andreas Kollegger06/11/13
1310 views
0 replies

Graphs for Bunnies

Over the past couple of months, I have been doing lots of "Intro to Graphs" talks across Europe. What started out as . . .