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London Cassandra User Group:Cassandra London Meetup: On Hadoop Integration
Cassandra London Meetup: On Hadoop Integration
Jairam Chandar will be talking about Hadoop-Cassandra integration and how VisualDNA is using Hadoop to analyse data stored in a Cassandra cluster, including a real-world example and some statistics. VisualDNA is a behavior-based audience discovery and targeting network. We use a patented visual quiz system to profile audiences at scale and anonymously aggregate this information to help publishers better understand their audience. VisualDNA also runs high performance ad campaigns optimized to maximise revenue for e-commerce sites, and optimize branding campaigns. We use Cassandra as our primary data-store. With increased volumes of data, simple serial php scripts to run analysis started to take ridiculously long to process. Enter Hadoop! One of the processes that took over 48 hours using a php script was done in just over 4 hours! Cassandra has been supporting Hadoop since 0.6+ with more and more features being added with newer releases. We will be discussing some of these features with one real-world example (and its not a word-count example!) of how one can use Hadoop for analysis over data stored in Cassandra.

WANT TO LEARN MORE? THEN CHECK OUT OUR EXPERT WORKSHOPS!

NoSQL eXchange 2011

Skills Matter is hosting the first annual NoSQL eXchange this November. Jim Webber has kindly agreed to be the Programme Lead for this conference, and together we are working on a plan for 7 speaker slots in one day -- featuring talks covering MongoDB/CouchDB, Cassandra, Riak, and Neo4J. Follow #nosqlx for programme updates, and find out more here.

MongoUK Conference

Skills Matter and 10gen are very pleased to announce the popular MongoUK conference IS BACK - coming to London on September 19th! MongoUK is a one-day conference dedicated to the open source, non-relational database MongoDB. We are still working on the programme, but feature both introductory and advanced talks on MongoDB schema design, indexing, administration, replication, sharding... (follow #mongouk for programme updates). Find out more here.

MongoDB for Administrators and Operations

This course covers everything a database administrator needs to know to successfully deploy and maintain MongoDB databases and shard clusters. In addition to deployment and maintenance, course topics will include diagnosing performance issues, importing and exporting data, and establishing the proper backup and restore routines. We'll present ideal hardware configurations and discuss common pitfalls for new deployments. The course also includes an overview of the MongoDB CRUD API, the command shell, and the drivers. Find out more here

MongoDB for Developers

This two-day course spans the MongoDB gamut, covering CRUD, schema design, performance tuning, map-reduce, replication, and sharding.

This course prepares you to:

  • Understand the MongoDB command shell, query API, and driver tools.
  • Design schemas that take advantage of the document data model and of MongoDB’s core features.
  • Understand how typical RDBMS schemas can be migrated to MongoDB.
  • Build efficient indexes and troubleshoot slow queries.
  • Configure both master/slave replication and replica sets.
  • Determine when to set up a shard cluster and how to configure it.
  • Troubleshoot common issues and failure scenarios.
Find out more here


ABOUT JAIRAM CHANDAR
Software Developer interested in Highly scalable business solutions.
More about Jairam Chandar

ABOUT THE LONDON CASSANDRA USER GROUP
Are you using Cassandra? Are you thinking of using Cassandra? Are you wondering what exactly to use Cassandra for!? We aim to help you learn more about this fantastic distributed database and provide an opportunity to meet other people using it.

We try to have a different speaker each month covering a wide range of topics, particularly focused on real-world use-cases and experiences.

Please come along!
More about the London Cassandra User Group
PODCAST CASSANDRA LONDON MEETUP: ON HADOOP INTEGRATION

This session took part at the Cassandra London Meetup: On Hadoop Integration. You can view the other 1 podcast here.
BIG DATA & NOSQL PODCASTS
Toby O'Rourke:Introducing Neo4j into a Relational Database Organisation, Introducing Neo4j
Toby O'Rourke : 23rd May 2012
View Podcast: Introducing Neo4j into a Relational Database Organisation,
Chris Harris:Building a MongoDB application with Grails , MongoDB with Grails
Chris Harris : 16th May 2012
View Podcast: Building a MongoDB application with Grails ,
Sean Reilly:Non-rails Groovy development, Non-rails Groovy development
Sean Reilly : 16th May 2012
View Podcast: Non-rails Groovy development,
Oren Eini aka Ayende Rahien:Sharding And Scaling with RavenDB, Scaling with RavenDB
Oren Eini aka Ayende Rahien : 15th May 2012
View Podcast: Sharding And Scaling with RavenDB,
Ian Plosker:An Introduction to Riak, Riak Intro
Ian Plosker : 10th May 2012
View Podcast: An Introduction to Riak,
David Dawson:Real-life Riak at Mobile Interactive Group, Real-life Riak
David Dawson : 10th May 2012
View Podcast: Real-life Riak at Mobile Interactive Group,
Chris Harris:MongoDB and Document Databases, Document Databases
Chris Harris : 9th May 2012
View Podcast: MongoDB and Document Databases,
David Mytton:MongoDB performance at scale, MongoDB performance
David Mytton : 9th May 2012
View Podcast: MongoDB performance at scale,
Chris Harris:Hands-on MongoDB, Hands-on MongoDB
Chris Harris : 9th May 2012
View Podcast: Hands-on MongoDB,
John Zablocki:Developing with Couchbase, Developing with Couchbase
John Zablocki : 9th May 2012
View Podcast: Developing with Couchbase,
Tom McMillen:CouchDB at the Hut Group, CouchDB at the Hut Group
Tom McMillen : 9th May 2012
View Podcast: CouchDB at the Hut Group,
John Zablocki:The Couchbase Server Tutorial, The Couchbase Server Tutorial
John Zablocki : 9th May 2012
View Podcast: The Couchbase Server Tutorial,
Jim Webber:Managing Highly Connected Data in Neo4j, Neo4j Highly Connected Data
Jim Webber : 9th May 2012
View Podcast: Managing Highly Connected Data in Neo4j,
Nicki Watt:Neo4j Tales from the Trenches: A recommendation Engine Case Study, Neo4j Tales from the Trenches
Nicki Watt : 9th May 2012
View Podcast: Neo4j Tales from the Trenches: A recommendation Engine Case Study,
Oren Eini aka Ayende Rahien:RavenDB: A 2nd generation document database, RavenDB
Oren Eini aka Ayende Rahien : 9th May 2012
View Podcast: RavenDB: A 2nd generation document database,
OTHER BIG DATA & NOSQL EVENTS
NoSQL matters 2012, NoSQL matters 2012
CONFERENCE (2 DAYS)
Cologne , Tuesday, May 29th BOOK NOW!
ThoughtWorks Quarterly Briefings:Big Data: Deriving Insight from your Data, ThoughtWorks Quarterly Briefings
FREE EVENT: Big Data
Manchester, Tuesday, May 29th
ThoughtWorks Quarterly Briefings:Big Data: Deriving Insight from your Data, ThoughtWorks Quarterly Briefings
FREE EVENT: Big Data
London, Wednesday, May 30th
Berlin Buzzwords 2012, Berlin Buzzwords 2012
CONFERENCE (2 DAYS)
Berlin, Monday, June 4th BOOK NOW!
The London Python Group:A Python code review of multilango.com, The London Python Group
FREE EVENT: Python code review
London, Wednesday, June 6th
Mark Rendle Zen and the Art of Software,  Zen and the Art of Software
FREE EVENT: In The Brain of Mark Rendle
London, Monday, June 11th
QCon New York 2012, QCon New York 2012
CONFERENCE (3 DAYS)
New York, Monday, June 18th BOOK NOW!
Doug Judd Hypertable,  Hypertable
FREE EVENT: In The Brain of Doug Judd
London, Tuesday, June 19th
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