Application Performance Measurement (APM) vendor AppDynamics has released AppDynamics Lite version 2.0, bringing new features from their commercial product into the free version.
New Relic has released two new variants of its performance tool: RPM for .NET and RPM for PHP. RPM offers performance monitoring and analysis for web applications running on premises or in the cloud.
While VMWare offering a new range of products to support its vision of enterprise cloud computing at VMWorld 2010 is interesting from an operations and user perspective, developer focus is on vFabric the Spring platform for developing and running cloud based applications. The goal is to provide the same convenience infrastructure for cloud applications as for spring based enterprise applications.
Rubinius 1.0RC2 adds binary installers, while Ruby 1.9.2 will get DTrace support. IronRuby moves closer to 1.0 and SharpDevelop 3.1 gains IronRuby support. Also: WEBRick users should consider upgrading to the latest versions of Ruby 1.8.x and 1.9.1 because of a recently discovered vulnerability.
In this interview filmed at RubyFringe 2008, Tom Preston-Werner talks about how both Powerset and GitHub use Ruby and Erlang, as well as tools like Fuzed, god, and more.
Orbitz Worldwide, a leading global online travel company, has open sourced two monitoring tools Extremely Reusable Monitoring API (ERMA) and Graphite, a persistence and visualization component. ERMA is a home grown Java API and library that has been used in several web applications at Orbitz to capture monitoring statistics in the applications at run-time.
Developing Ruby and RoR apps might be easy - but what to do when something goes wrong, the interpreter misbehaves or memory leaks spring up. We look at the current options for taking a peek inside Ruby applications.
The newly released Mac OS X Leopard ships with the Ruby 1.8.6 and various Ruby libraries and tools installed. Leopard also includes DTrace probes for profiling Ruby, XCode and Interface Builder support and more.
InfoQ investigates how three companies recently collaborated to use DTrace, a powerful open source process introspection tool, to find and fix a substantial Rails latency issue.
DTrace is an open-source dynamic tracing framework originally written for Solaris 10 and coming soon to OS X, Linux and BSD systems. A Java API for DTrace is available, allowing you to run DTrace scripts and allowing you to present the output in a more meaningful way.