Tracking change and innovation in the enterprise software development community
This presentation, from QCon SF 08, analyzes real world projects where using explicit state transition models was made and the many interesting modeling/architectural possibilities that arose from the decision. Along the way, the IMIS system and its performance is linked to explicit state transition modeling.
MacRuby joins the ranks of JRuby and IronRuby and moved away from Ruby 1.9's Global Interpreter Lock (GIL) in the experimental branch.
Evan Weaver, Lead Engineer in the Services Team at Twitter, who’s primarily job is optimization and scalability, talked about Twitter’s architecture and especially the optimizations performed over the last year to improve the web site during QCon London 2009.
In this article Alex Devine explains how Java developers can take advantage of Perf4J, an open source toolset for adding code timing statements and for logging, analyzing and monitoring the results. Alex introduces several aspects of Perf4J like integration with Log4J, use of annotations, pitfalls and good practices.
In this article, James Leigh takes a look at eight different isolation levels that can be utilized within a web application, and explores the pros and cons of each level of isolation, ranging from read uncommitted to serializable consistency - the interactions between transactions at different isolation levels is also looked at.
Emmanuel Bernard and Max Ross talk about patterns and practices to be used in order to achieve high volume and scale with Hibernate. The presentation also explains the use of Hibernate Shards and Hibernate Search to push the scalability limits.
In this talk, Matt Aimonetti talks about the ideas and concepts behind Merb - and the reasons why it's appealing: speed, modularity and more.
In this interview taped at QCon London 2009, Rich Hickey talks about all things Clojure: Software Transactional Memory, concurrency, persistent data structures, ports, AOT compilation, and more.
In this interview taken by InfoQ’s Ryan Slobojan, Dan Farino, Chief Systems Architect at MySpace, talks about the system architecture and the challenges faced when building a very large online community. Because MySpace is built almost entirely on the .NET Framework, Dan explains how a .NET product scales on hundreds of servers.
