This article is part of the “DevOps War Stories” series. Each month we hear what DevOps brings to a different organisation, we learn what worked and what didn’t, and chart the challenges faced during adoption. In this issue Chris Williams explains how Rafter grew from one developer taking care of system administration tasks to a full-fledged DevOps team that supports the whole business.
Power consumption by servers is of increasing concern to business and IT management. This Intel article discusses the sources of power consumption as a function of server form factor and workload; power consumption of other components, power supplies and conversion, plus heat generation and cooling demands. How to estimate consumption and design factors affecting consumption are also covered.
This article explains how to deploy a JRuby application with Java Web Start. From creating the code, signing the JARs, and setting up JRuby properties. As bonus: a look at JRuby 1.1's AOT feature. 3
'Release It!: Design and Deploy Production-Ready Software' by Michael Nygard discusses what it takes to make production-ready software and explains how this differs from feature-complete software. 4
Finding performance bottlenecks can be a difficult task and it can get more difficult as our applications grow in size. The Box is a methodology tool that focuses us efforts to improve performance. 6
Eric Newcomer, co-chair of the OSGi Enterprise work group, talks about the evolution of OSGi and it's relationship to SOA and ESB. 7
In this sample pattern from Arnon Rotem-Gal-Oz' in-progress book SOA Patterns, Arnon explains how to use a Service Firewall to intercept messages to provide better security. 9