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Oracle Public Cloud Architecture

Posted by Tyler Jewell  on  Jun 05, 2012

Tyler Jewell discusses the multi-tenancy model and elasticity solution implemented by Oracle Public Cloud which provides a database, Java and a number of sales and marketing applications as services.

League of Legends: Scaling to Millions of Ninjas, Yordles, and Wizards

Posted by Scott Delap and Randy Stafford  on  Apr 07, 2011 2

Scott Delap and Randy Stafford explain the architectural decisions made in order to scale, monitor and operate 24/7 the game League of Legends, bringing insight on how they use Oracle Coherence for that.

Swarm Computing - Next Generation Clouds and the Role of SOA

Posted by Jürgen Kress  on  Mar 10, 2011 1

Jürgen Kress discusses the current status and the future of cloud computing, and the role of SOA in creating a cloud computing infrastructure, plus some of the cloud offerings existing today.

Cloud Computing and SOA

Posted by Dave Chappell  on  May 20, 2010

Dave Chappell introduces cloud computing to an SOA audience discussing how to make good use of grid computing and cloud computing to implement the next generation of SOA initiatives and presenting two case studies: Credit Suisse building Java PaaS on WebLogic and showing how to build an Oracle virtual appliance on Rackspace.

Evolving the Key/Value Programming Model to a Higher Level

Posted by Billy Newport  on  Jan 19, 2010 6

In this presentation from QCon San Francisco 2009, Billy Newport discusses the ways that developers interact with key/value (KV) stores such as memcached and WebSphere eXtreme Scale, entity vs column-oriented approaches, synchronous and asynchronous operations, large data sets, using a DBMS as a column store, collocating closures and data, and features that could be added to increase scalability.

Pouring Data on Troubled Markets - Quantitative Portfolio Management Technology at BGI

Posted by Eoin Woods  on  Nov 05, 2009

Eoin Woods explains how Barclays Global Investors (BGI) designed Apex, a new porfolio management system, to meet the challenges it faces and why BGI chose to combine mainstream, boutique and open source Java technologies, including Oracle, WebLogic, Spring, Swing, JIDE, Flux, CPLEX, MVEL and XStream, to create an architecture with some interesting variations on the standard J2EE form.

Data Grid Design Patterns

Posted by Brian Oliver  on  Nov 04, 2009

Brian Oliver explains a number of data grid design patters: Command, Functor, Store and Forward Messaging, and Push Replication. He also mentions some traditional patterns used so far and Coherence Incubator, a repository for design patterns reference implementations.

An Introduction to Data Grids

Posted by Cameron Purdy  on  Oct 10, 2009 1

Cameron Purdy explains how a data grid functions by using a partition topology for data access, update, recovery and local storage, accessing data using read/write-through and write behind, and invoking operations through Observable, QueryMap and InvocableMap interfaces. He also offers some examples of data grids solving complex problems and introduces Coherence, Oracle’s data grid solution.

Transforming the Reconciliation Process

Posted by Brian Oliver  on  Sep 23, 2009

Brian Oliver explains what the Reconciliation Process is, why the current approach to reconciliation based on client-server is no longer suitable and how data grids and event based reconciliation might help.

Voca, UK's largest payment processing engine running Spring

Posted by William Soo and Meeraj Kunnumpurath  on  May 01, 2008 1

In this presentation from QCon London, William Soo and Meeraj Kunnumpurath discuss the Voca transaction processing system architecture, the previous Mainframe-based architecture, architectural challenges and requirements, the new Spring and J2EE-based architecture, upcoming challenges for Voca, and technologies to watch for in the future.

Java EE Class Loading Architectures

Posted by Ernie Svehla  on  Apr 05, 2007 17

Ernie Svehla, Chief Architect of IntelliObjects reviews Java Class Loading basics, comparing the class loading architectures of the Sun's Appserver 9, BEA WebLogic 9.1, and JBoss 4.0.2. The presentation concludes with a discussion of best practices for packaging JEE applications followed by techniques for resolving common class loading problems such as ClassNotFoundException, or NoDefFound Errors.

Distributed Caching Essential Lessons

Posted by Cameron Purdy  on  Jan 09, 2007 3

In this presentation, recorded at Javapolis, Cameron Purdy shows how to improve application performance & scalability via caching architectures to reduce load on the database tier and & clustered caching to provide transparent fail-over by reliably sharing live data among clustered JVMs.

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