---
title: "This week's database news, issue 22"
publication: "DB Weekly"
issue: 22
published_at: "2014-07-25"
canonical_url: "https://dbweekly.com/issues/22"
---

This week's database news, issue 22

This week's database news, supported by Rackspace[Read this e-mail on the Web](http://dbweekly.com/issues/22)

DB WeeklyIssue 22 — July 25, 2014

Supported by [![\](http://dbweekly.com/images/rackspacetrans.png)](http://rackspace.com/?utm_source=dbweekly&utm_medium=email)

[A Survey of Graph Theory and Applications in Neo4J](http://www.elegantcoding.com/2014/07/a-survey-of-graph-theory-and.html?utm_source=dbweekly&utm_medium=email)Elegant CodingA talk given at a Neo4J meetup which gave an overview of graph theory and its relationship to and applications within Neo4J.


[LedisDB: A NoSQL Redis-like Database Based on LevelDB](http://ledisdb.com/?utm_source=dbweekly&utm_medium=email)LedisDBWritten in Go and supports Redis clients directly while also offering disk-based storage over the current memory limit.


[Getting Starting Guide for Hadoop (Part 2)](http://www.rackspace.com/blog/new-to-hadoop-heres-a-handy-guide-to-get-you-started-part-2/?cm_mmc=managed-_-cloud-_-contentnam-_-dbweekly-hadoopguide2)RackspaceSponsoredThe Hadoop ecosystem is crammed full of software, much of which duplicates efforts, and much of which is named so similarly that it’s very confusing for newcomers. If you’re new to Hadoop, [this guide](http://www.rackspace.com/blog/new-to-hadoop-heres-a-handy-guide-to-get-you-started-part-2/?cm_mmc=managed-_-cloud-_-contentnam-_-dbweekly-hadoopguide2) is perfect to help you get familiar. This time around, we’ll get into more of the peripheral, optional components that might be useful to you.

[![Rackspace\](http://s3.amazonaws.com/nlga/uploads/item/image/20558/125.png)](http://www.rackspace.com/blog/new-to-hadoop-heres-a-handy-guide-to-get-you-started-part-2/?cm_mmc=managed-_-cloud-_-contentnam-_-dbweekly-hadoopguide2)


[Cloud Database Services to Grow Into A $1bn-Plus Opportunity](http://searchitchannel.techtarget.com/feature/Cloud-database-services-to-grow-into-a-1-billion-plus-opportunity?utm_source=dbweekly&utm_medium=email)TechTargetA business oriented look at the DBaaS (database as a service) industry including figures from analysts that forecast the cloud and DBaaS market at over $14bn by 2019.


[Introducing Couchbase Server 3.0 Beta](http://www.couchbase.com/beta?utm_source=dbweekly&utm_medium=email)CouchbaseIntroduces tunable memory settings, stream-based views, new features for ultra-high availability, deeper encryption options, and more.


[Horizontally Scaling Node.js and WebSockets with Redis](http://goldfirestudios.com/blog/136/Horizontally-Scaling-Node.js-and-WebSockets-with-Redis?utm_source=dbweekly&utm_medium=email)James SimpsonA look at the practicalities of scaling a Node app across multiple instances that can be on multiple servers using Redis as a back-end messaging system. The techniques came out of actual work on a real MMORPG.


[Evolution of Windows Azure SQL Database](http://searchsqlserver.techtarget.com/essentialguide/Evolution-of-Windows-Azure-SQL-Database?utm_source=dbweekly&utm_medium=email)TechTargetA comprehensive look at Windows Azure SQL Database, exploring its beginnings and the evolution of its features. _Note: Reading other features on the site requires registration._


Jobs

In brief

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