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From Craig L Russell <Craig.Russ...@Sun.COM>
Subject [DISCUSS] Web20Kit: A Web 2.0 technology evaluation kit
Date Tue, 26 Aug 2008 21:45:07 GMT
This is a proposal to incubate

We're looking for a couple more mentors.


Web20Kit is a web 2.0 toolkit to help developers evaluate the  
suitability, functionality and performance of various web technologies  
by implementing a reasonably complex application in several different  

Web20Kit will develop an example application to understand the  
benefits, performance, and scalability of popular web technologies.  
Multiple implementations of the application are planned - each  
providing the same functionality but staying true to the philosophy of  
its base language/framework.

Most web 2.0 sites today use open source languages and frameworks such  
as PHP, Ruby on Rails, and Java EE to develop their applications.  
Deployments of these applications also use popular open source servers  
such as Apache httpd, Tomcat, MySQL, Memcache, and Glassfish. Many  
other servers/technologies such as lighttpd, mogileFS, mongrels, JRuby  
are also gaining popularity.

With the myriad technologies available, it is not easy to understand  
how they differ, especially in terms of performance and scalability.  
With varied levels of documentation available for some open source  
applications, it is also quite difficult for a web 2.0 startup to  
understand the correct usage of these technologies so that they don't  
become a bottleneck as their site grows.

Web2.0kit is a toolkit that will attempt to address the above issues.

What it does

Web20Kit defines an example web 2.0 application (the initial  
implementation uses an events site somewhat like  
and provides three implementations: PHP, Java EE, and Ruby on Rails.  
The toolkit will also define ways to drive load against the  
application in order to measure performance.

As developers join the project, they can implement the same  
application using their favorite web frameworks and compare their  
implementations to others.

What you can learn from it

a) Understand how to use various web 2.0 technologies such as AJAX,  
memcached, mogileFS etc. in the creation of your own application. Use  
the code in the application to understand the subtle complexities  
involved and how to get around issues with these technologies.

b) Evaluate the differences in the implementations: PHP, Ruby on  
Rails, Java EE, and other contributed implementations to understand  
which might best work for your situation.

c) Within each language implementation, evaluate different  
infrastructure technologies by changing the servers used (e.g: apache  
vs lighttpd, MySQL vs PostgreSQL, Ruby vs Jruby etc.)

d) Drive load against the application to evaluate the performance and  
scalability of the chosen platform.

e) Experiment with different algorithms (e.g. memcache locking, a  
different DB access API) by replacing portions of code in the  

A robust, community-developed standard implementations of a web 2.0  
application using different technologies will enable developers to  
compare and contrast these technologies in a manner that does not  
exist today. By providing excellent sample implementations of a  
concrete application that is available to everyone, we will enable  
faster and easier application development for users. Although we list  
three implementations in this proposal, we encourage others to come up  
with many more using other language stacks and/or frameworks e.g.  
Spring framework, Python etc.

Current Status
This is a new project with some sample not-ready-for-prime-time code.

The initial developers are very familiar with meritocratic open source  
development, both at Apache and elsewhere. Apache was chosen  
specifically because the initial developers want to encourage this  
style of development for the project.

Web20Kit seeks to create developer and user communities during  

Core Developers
The initial core developers are Sun Microsystems, Inc. employees, and  
faculty and students at UC Berkeley. We hope to expand this very  

The developers of the Web20Kit want to work with the Apache Software  
Foundation specifically because Apache has proven to provide a strong  
foundation and set of practices for community-based development.

Known RisksOrphaned products
This project has a lot of enthusiasm among the core developers, has  
ongoing development, and is not orphaned.

Inexperience with Open Source
The initial developers are well-versed in open source methodologies  
and practices.

Homogenous Developers
The initial group of developers is from two organizations. We would  
like to expand this and that is a primary reason for bringing this  
project to Apache.

Reliance on Salaried Developers
Although part of the initial development team are students, the core  
developers are employed by Sun Microsystems.

Relationships with Other Apache Products
None in particular, except that Apache HTTPD is the most common place  
to run PHP, and which the initial PHP implementation uses.

A Excessive Fascination with the Apache Brand
We believe in the processes, systems, and framework Apache has put in  
place. The brand is nice, but is not why we wish to come to Apache.

DocumentationInitial Source
Sun Microsystems Inc. intends to donate code for their PHP  
implementation of the sample events application as well as code to  
drive load against the application. UC Berkeley intends to donate code  
for the Ruby on Rails implementation.

This code is still a work in progress and will be provided primarily  
as a starting place for a much more robust, community- developed  

External DependenciesRequired Resources
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