The goal of Simple is to bring the power of simplicity to the world of server side Java. The primary focus of the project is to provide a truly embeddable Java based HTTP engine capable of handling enormous loads. Simple provides a truly asynchronous service model, request completion is driven using an internal, transparent, monitoring system.
This allows Simple to vastly outperform most popular Java based servers in a multi-tier environment, as it requires only a very limited number of threads to handle very high quantities of concurrent clients. Simple has consistently out performed both commercial and open source Java Servlet engines and has a fully comprehensive API that is as usable for experienced Java developers as it is for beginners. Best of all, Simple is completely free, and is released under the terms of the GNU Lesser General Public License, LGPL, which ensures its availability for use by open source and proprietary developers alike.
Finally a useful article on eclipse.ini memory settings: "Many users seem to have problems with running out of memory when using Eclipse 3.2 in combination with additonal plugins such as those from JBoss Tools or even Eclipse WTP."
SmartFrog is a powerful and flexible Java-based software framework for configuring, deploying and managing distributed software systems.
SmartFrog helps you to encapsulate and manage systems so they are easy to configure and reconfigure, and so that that they can be automatically installed, started and shut down. It provides orchestration capabilities so that subsystems can be started (and stopped) in the right order. It also helps you to detect and recover from failures.
Such systems typically have multiple software components running across a network of computing resources, where the components must work together to deliver the functionality of the system as a whole. It's critical that the right components are running in the right places, that the components are individually and collectively correctly configured, and that they are correctly combined to create the complete system. This profile fits many of the services and applications that run on today's computing infrastructures.
SmartFrog consists of:
A Language for defining configurations, providing powerful system modelling capabilities and an expressive notation for describing system configurations
A secure, distributed Runtime System for deploying software components and managing running software systems
A Library of SmartFrog Components that implement the SmartFrog component model and provide a wide range of services and functionality
Java applications are typically deployed in multiple environments and platforms, each requiring some unique configuration. JFig gives developers a simple yet powerful tool to manage their applications’ configuration. It allows them to:
1. Store application configuration in one common repository of XML files
2. Access configuration data using one common, convenient interface
3. Easily define multiple configurations, dynamically modifying those variables that need to change in different situations
4. Eliminate the error prone practice of defining the same configuration variables in multiple locations
5. Ease the management, deployment, and control of configuration files
Put simply, Puppet is a system for automating system administration tasks. To learn more, read our big picture overview of Puppet, or take a deeper look at what Puppet can do with the Puppet Introduction. There's also an about Puppet page which gives the highlights of Puppet's functionality.
This tutorial will cover the basics of the GNOME desktop environment and application framework. GNOME uses the GTK and GNOME API to provide the software developer interfaces.
T. von der Maßen, und H. Lichter. Software Product-Family Engineering, Volume 3014 von Lecture Notes in Computer Science, Springer Berlin / Heidelberg, (2004)