R-GMA

http://www.r-gma.org/ provides a good overview of R-GMA.

R-GMA quickstart offers a very quick introduction R-GMA using the command line tool.

Read the User Guide for the language you work in, and then use the API documentation for reference:

R-GMA Log4j User Guide describes how to use log4j calls in a Java program to publish to R-GMA.

Flexible Archiver User Guide describes how to setup your own customized Secondary Producer (without writting any code).

R-GMA Command Line User Guide

Release Notes From A Users Perspective

R-GMA Clients and Server

R-GMA Tools

The R-GMA Specification provides a detailed information on what R-GMA should do.

The GLUE schema.

Details of the changes in the code between LCG 2.6.0 and LCG 2.7.0

Details of the changes in the code between gLite 1.4 and gLite 1.5

YourKit is kindly supporting open source projects with its full-featured Java Profiler. YourKit, LLC is creator of innovative and intelligent tools for profiling Java and .NET applications. Take a look at YourKit's leading software products: YourKit Java Profiler and YourKit ASP.NET Profiler .