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Title: Ruby off the Rails: Building a distributed system in Ruby Presented by: Matthew Kocher Devops Borat said "is turtle all way down but at bottom is perl script, but in the case of Cloud Foundry there's Ruby at the bottom. Rails is the right choice for building a web site, but the elegance of ruby can be applied to many other things including a Platform as a Service. A full deploy of Cloud Foundry requires many different kinds of nodes, with multiple Sinatra apps, event machine based daemons, shared ruby gems, and small amounts of code in other languages like Lua, Go and C where it makes sense. I'd like to take you on a tour of an open source codebase and project that really shows where you can go with Ruby. Help us caption & translate this video! http://amara.org/v/FGbQ/
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In the video titled "Ruby off the Rails: Building a Distributed System in Ruby," Matthew Kocher discusses how to build a distributed system using Ruby, specifically focusing on Cloud Foundry, a Platform as a Service (PaaS) solution. He shares insights from his experience working with Cloud Foundry at Pivotal Labs over the past six months. The main topics covered in the talk include: - **Traditional vs. Modern Deployment**: Kocher contrasts the manual steps involved in traditional application deployment with the streamlined process offered by PaaS solutions like Cloud Foundry, which greatly simplifies the developer experience. - **Overview of Cloud Foundry**: He explains that Cloud Foundry is a large and complex distributed system predominantly written in Ruby. It mimics local development environments and allows developers to deploy code rapidly. - **Workflow Components**: Kocher delves into various components of Cloud Foundry, such as the CF gem for developer interaction, the Cloud Controller (a centralized API), and the Droplet Execution Agent (DEA), which is responsible for executing user code securely. - **Build Packs**: He discusses the use of build packs to transform user code into executable droplets, allowing applications to run in a cloud environment. - **Resource Handling and Load Balancing**: The talk highlights how the system handles resource allocation dynamically, with updates to algorithms that manage load balancing between DEAs based on performance metrics. - **Health Management**: Kocher emphasizes the role of the Health Manager in monitoring system events, ensuring application availability, and addressing issues such as outdated app instances. - **Service Management**: He raises important points regarding service management within Cloud Foundry, acknowledging that while it supports key services like PostgreSQL and RabbitMQ, the service offerings are not production-ready yet. Throughout the presentation, Kocher encourages audience involvement in these open-source projects and shares that there are many opportunities for developers in this field. He wraps up by directing viewers to his slides, online resources, and ways to connect with him post-conference. Key takeaways from the session include: - The architectural considerations when deploying Ruby applications at scale. - The importance of community collaboration in open-source environments. - The potential for Ruby to power various components in distributed systems beyond traditional web applications.
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