The authors discuss about the lessons learned from all the biggest sites on the internet about how to build scalable and resilient architectures.
Lynne Cazaly explains how to apply visual maps, models, metaphors, templates and processes that help build buy-in, boost contributions and collaboration, and make communication a breeze within teams.
Guillaume Laforge presents the latest Groovy 2.3 release with its new features and performance improvements: "traits", new markup-based template engine, new code transformations, and more.
Marius Eriksen explains Twitter's experiences with functional programming (with Scala) @ Twitter: where functional techniques worked and where not. Also: how the Scala language has scaled with Twitter
The authors demonstrate Apache Tomcat's stability under high load, describe some do's (and some don'ts!), explain how to performance test a Servlet-based application, etc.
Sergi Almar reviews the architecture behind WebSocket and tries to show how to build highly scalable applications with it.
Mike Keane presents how Conversant migrated to Flume, managing 1000 agents across 4 data centers, processing over 50B log lines per day with peak hourly averages of over 1.5 million log lines/sec.
Juergen Hoeller and Stéphane Nicoll present major new features in Spring Framework 4.1: the numerous improvements around the caching abstraction, and messaging-related features.
Gil Tene introduces org.ObjectLayout and StructuredArray, the APIs and design considerations that allow Java JDKs to match C on data structure access speeds.
The authors discuss Netflix's new stream processing system that supports a reactive programming model, allows auto scaling, and is capable of processing millions of messages per second.
Terence Yim from Continuuity showcases a transactional stream processing system that supports full ACID properties without compromising scalability and high throughput.