http://www.codeproject.com/KB/aspnet/10ASPNetPerformance.aspx10 asp.net performance and scalability secrets: very very useful

Profiling PHP applications with XHProf: the path to scalability - Lorenzo Alberton http://bit.ly/4IKWR3 #php

Load Testing with AB ... fake failed requests (length) - Stack Overflow
I ran into this issue too, it would be nice if you could tell ab that you expect different content lengths for the same URL.

One big server with a bunch of virtual machines, or lots of tiny servers?
James Hamilton explains when to use what (hint: databases like big boxes).

Welcome to Apache Hadoop!
The Apache Hadoop project develops open-source software for reliable, scalable, distributed computing.

Facebook | Needle in a haystack: efficient storage of billions of photos
Facebook's evolution with regards to photo storage.

WickedCode: Scalable Apps and Asynchronous Programming in ASP.NET
Do you want to know a secret? A deep, dark, dirty secret? One that, if revealed, would cause great angst in the ASP.NET community and prompt shouts of "Aha!" from the anti-Microsoft crowd?Most Web sites I've seen built with ASP.NET...

Pragmatic Programming Techniques: NOSQL Patterns
Over the last couple years, we see an emerging data storage mechanism for storing large scale of data. These storage solution differs quite significantly with the RDBMS model and is also known as the NOSQL. Some of the key players include ... *...

Scaling PHP applications with Varnish
Stretch the capacity of your Web server farm with PHP and a reverse proxy, such as Varnish.

@randybias looks like you've had a long discussion w/ @bradhedlund - I didn't see the scalability of the fabric #fcoe

F5 Enhances BIG-IP for AAA Mobile Scalability: F5's solution helps service providers to protect services from unpla... http://bit.ly/7EH5Qx

mmalone's django-multidb at master - GitHub
Soporte de master-slave replication en Django

High Scalability - High Scalability - Scaling Django Web Apps by Mike ...
Notas sobre escalabilidad en Django, sobre la presentacion del programmer de pownce

RT @natishalom Working on my Qcon presentation. will be discussing #nosql #sba and scalability patterns. ping me if you have more suggest...

nginx_http_push_module - Turn Nginx into an adept HTTP Push server
This module turns Nginx into an adept HTTP Push and Comet server. It takes care of all the connection juggling, and exposes a simple interface to broadcast messages to clients via plain old HTTP requests. This lets you write live-updating asynchronous...

Eucalyptus
"Eucalyptus - Elastic Utility Computing Architecture Linking Your Programs To Useful Systems - is an open-source software infrastructure for implementing "cloud computing" on clusters. The current interface to Eucalyptus is compatible with...

Facebook Developers | Resources
Proyectos opensource de Facebook

High Scalability - High Scalability - Strategy: Flickr - Do the Essential Work Up-front and Queue the Rest 
Article also refers to a blog post by Les.