Blogs
RabbitMQ Cluster Development Environment with Vagrant and Puppet
This project provides development and testing environment for applications utilising RabbitMQ message brokers.
The goal for the project is to offer easy-to-use environment that can be quickly destroyed and rebuilt on variety of platforms (Windows, Mac and Linux).
Read more...Esper Extensions - Implementing Custom Aggregation Function
Event processing Language (EPL) enables us to write complex queries to get the most out of our event stream in real time, using SQL-like syntax.
In this blog we are going to explore some aspects of numerical aggregation of data with high precision BigDecimal values.
We will also demonstrate how you can add you own aggregation function to Esper engine and use them in EPL statements.
Read more...Deploying Lift Applications to Cloud Foundry
As part of a recent project, Tareq has been working on a number of Scala/Lift applications that OpenCredo are hosting on a private Cloud Foundry instance. In this blog post Tareq would like to talk about some practical aspects of developing and deploying Lift applications to Cloud Foundry.
Read more...48 hours - The Pursuit of Proper Performance
In this article, Erich Eichinger looks at the rationale and implementation options around one frequently misunderstood area: Performance Testing.
Read more...A Simple Introduction to Complex Event Processing - Stock Ticker End-to-End Sample
Complex Event Processing and Event Stream Processing (CEP and ESP) have become important buzzwords in the world of big data management of large scale systems.
Most of us think of CEP and ESP as something that should only be used for very complex projects, which are part of very few large systems in the world. In this blog entry we are going to try to bring CEP and ESP with Esper closer to developers that haven't got the chance to use it yet.
Read more...Events
Neo4J Tales from the Trenches: A Recommendation Engine Case Study
In this talk for the Neo4j User Group, Nicki Watt and Michal Bachman present the lessons learned (and being learned) on an active Neo4J project - Opigram.
Opigram is a socially orientated recommendation engine which is already live, with some 150k users and growing. Nicki and Michal will outline their usage of Neo4j, and some of the challenges they have encountered, as well as the approaches and implications taken to address them.
When: 2012-04-25
QCon has again invited the Spring User Group to host a meeting at the prestigious QE2 Conference Centre located across the road from Westminster Abbey.
We are delighted to have Dave Syer from VMware and Jonas Partner from OpenCredo in a double bill of informed conversation and advice looking at the latest SpringSource developments within VMware's vFabric and how to take advantage of these. We are also promised insight into current development plans.
Signup for this free event today!
When: 2012-03-08
CloudFoundry is the open source Platform as a Service (PAAS) project initiated by VMware. Among the most exciting aspects of CloudFoundry is its openness and developer-friendliness: CloudFoundry supports applications written in a range of popular languages and frameworks to de deployed with virtually no restrictions and in a variety of environments: public or private clouds, potentially reusing exiting hardware.
This tutorial aims to introduce CloudFoundry in a very practical way.
When: 2012-03-06
In this tutorial we will start from first principles to (re)discover what a software development system actually is.
Attendees will discuss their own contexts against the backdrop of common patterns that will help everyone discover the idiosyncrasies and shared qualities of any software development system.
When: 2012-03-05
Agile London is pleased to announce that we have been invited back to QCon for a second year in a row to host one of our popular events.
We will be starting from 18:30 until 20:00 before moving on to a local pub.
Signup for this free event today!
When: 2012-03-08
Latest News
Neo4J Tales from the Trenches: A Recommendation Engine Case Study @ Skills Matter eXchange
We are pleased to announce that OpenCredo's Nicki Watt and Michal Bachman will be presenting at the Neo4J user group meet up at Skills Matter ... Read more
OpenCredo Launches the WebTrader Insurance Product
This week OpenCredo launched another insurance product for a large london based insurance company.
Entitled "WebTrader", this product is targeted at small to medium-sized online businesses who ... Read more
OpenCredo Partners with 10Gen to provide MongoDB services
OpenCredo is pleased to announce a new partnership agreement with 10Gen, the company behind MongoDB. MongoDB adds to our already industry-leading Big Data technical consultancy practice ... Read more
OpenCredo brings the Spring User Group to QCon London
Continuing a long tradition, OpenCredo will be hosting the Spring User Group at QCon London 2012.
Dave Syer from VMware and Jonas Partner from OpenCredo will be giving a double bill of ... Read more
Once again in March 2012, OpenCredo will be attending our favourite London conference, QCon. This year OpenCredo will be running a couple of interactive tutorials;
Code to Cloud: The Cloud Foundry in-depth, ... Read more