Larva is a runtime monitoring system that uses AspectJ to weave monitoring into Java code and can check the correctness of the program using an FSM; Elarva is an Erlang version of the tool.
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.
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.
Scout is an extensible server and application monitoring service which focuses upon ease of installation and configuration. Scout offers default alerts to help administrators understand how the application is behaving under various loads as well as allowing developers to create plugins to extend Scout.
Jon Travis explains Hyperic HQU as well as Spring Insight, a tool for monitoring Java web apps, how it uses AspectJ to instrument Java code, how to use it to find performance problems and more.
In this interview from SpringOne 2009, Javier Soltero discusses the challenges of managing a complex Java application, the Hyperic toolset, out-of-the-box versus developer-built application management/monitoring hooks, the effect of both the SpringSource and the VMWare acquisition on Hyperic development, and the result of combining SpringSource and VMWare's offerings.
Adam Wiggins explains the experience with building Heroku on top of Amazon EC2, the pros and cons of virtualization, and the importance of automation.
Avi Bryant talks about the iterative process that led to Trendly (http://trendly.com/ ), using Javascript, Ruby and Java in the process. He goes on to give his view on the state of Smalltalk and Squeak and talks about his experiments with writing a Smalltalk that compiles to idiomatic Javascript to make use of all the modern Javascript VMs.
