Scott Chacon explains the internal mechanisms used by Git to do version control based on three trees –head, index, work–, and some of its commands, especially ‘reset’.
Greg Young discusses how to use events to store data, and how testing, versioning and performance are impacted by an event-centered model.
Joe Williams discusses how distributed systems, cloud computing and automated configuration management affect system’s availability. He exemplifies with a database service built on CouchDB, Erlang, Chef, all running on EC2.
Joe Walker explains Bespin, Mozilla’s open source web-based code editor, its architecture and chosen implementation solution, detailing some of its features like collaboration and version control.
Brion Vibber discusses the challenges of working with user communities, social bottlenecks, the Wikipedia article deletion process, scalability of software vs communities, new approaches to scaling communities, ongoing challenges with MediaWiki community, using git to scale the code commit process, automated Wikipedia edit filtering, flagged protection pages, and remaining challenges to face.
For years the norm for developers was to work in an iterative and incremental manner but for database developers to work in a more serial manner. The predominance of evolutionary development methods make it clear that the two groups need to work in the same manner to be productive as a team. Pramod presents material from "Refactoring Databases " on implementing evolutionary database development.
In this presentation filmed during QCon SF 2008, Dan Farino, Chief Systems Architect at MySpace, talked about administering thousands of web servers from a system’s architect viewpoint. He mostly detailed the performance counter monitoring used by MySpace, the system profiler and the system administration site demoing the tools for the audience to see how it works.
In this talk from RubyFringe, GitHub's Tom Preston-Werner talks about a methodical approach to solving problems and debugging. Also: he explains how to use the "Deathbed Filter" for choosing projects.
In this presentation, Ian Flint, Director of Operations for Bix, Yahoo!’s online contest service, tries to explain the infrastructure and architecture employed by Yahoo! to keep going a multitude of servers running of different platforms and offering different services.