The document summarizes Twitter's history with Ruby on Rails. It began using Rails to quickly prototype and launch the initial site. However, scaling issues emerged as Twitter grew rapidly. By 2009, performance problems led Twitter to abandon Rails for the backend and instead use technologies like Scala, Java, and Lucene. While Ruby was kept for the frontend, Twitter replaced even the Rails frontend in 2011. Scaling demands required moving away from Rails as the site expanded to hundreds of millions of users.
In this talk, we'll cover the features of Apache Roller 5.0, and how it compares to other blog server options. We'll also look at typical deployment architectures, and examples of Roller sites in production today. The talk will discuss in detail some of the ongoing, student-driven work on OpenID and on better Media Blogging support.
http://www.us.apachecon.com/c/acus2009/sessions/280
The document provides an overview of Zappos' use of Drupal over time, starting with their first Drupal project in 2008 and continuing to their current use. It discusses their migration from Clearspace to Drupal, the creation of advanced landing pages (ALPs) in Drupal, the development of the Baffin platform to support ALPs, and how Drupal is currently used across various teams at Zappos.
This document summarizes Muriel Salvan's presentation on Docker and cargo transport. It discusses how Docker can be used to containerize applications and services, create images from Dockerfiles, run containers from images, and deploy images to registries for sharing. Examples are given on building Ruby and Rails images, running a clustered Rails application in containers, and using a proxy container to load balance requests. Performance benefits of Docker are highlighted such as faster launch times and consistent memory usage across containers.
In this talk, we'll cover the features of Apache Roller 5.0, and how it compares to other blog server options. We'll also look at typical deployment architectures, and examples of Roller sites in production today. The talk will discuss in detail some of the ongoing, student-driven work on OpenID and on better Media Blogging support.
http://www.us.apachecon.com/c/acus2009/sessions/280
The document provides an overview of Zappos' use of Drupal over time, starting with their first Drupal project in 2008 and continuing to their current use. It discusses their migration from Clearspace to Drupal, the creation of advanced landing pages (ALPs) in Drupal, the development of the Baffin platform to support ALPs, and how Drupal is currently used across various teams at Zappos.
This document summarizes Muriel Salvan's presentation on Docker and cargo transport. It discusses how Docker can be used to containerize applications and services, create images from Dockerfiles, run containers from images, and deploy images to registries for sharing. Examples are given on building Ruby and Rails images, running a clustered Rails application in containers, and using a proxy container to load balance requests. Performance benefits of Docker are highlighted such as faster launch times and consistent memory usage across containers.
The document discusses how AT&T Interactive, formerly known as Yellowpages.com, uses Ruby and Ruby on Rails extensively. It overhauled Yellowpages.com using Rails and now has one of the largest Rails sites. It discusses how Rails is used for the website tier and a Merb-based services tier. It also describes using Ruby for other projects including mobile apps and internal tools. AT&T Interactive contributes to many open source Ruby projects and conducts research on new technologies using Ruby.
The document discusses various topics related to Rails deployment in the enterprise, including recommendations to use Ruby on Rails, MongoDB, and deployment tools like Capistrano and Puppet. It also covers some performance considerations and pitfalls to be aware of when using Rails.
Here are some ways the Mobiloitte training has helped me in the last month:
- Learned new skills in mobile app development. The hands-on projects and tutorials have given me practical experience building iOS and Android apps using technologies like Swift, Kotlin, and React Native.
- Gained a solid foundation in core mobile concepts. The courses covered everything from UI design principles to app architecture patterns to platform-specific APIs. This has helped me better understand how to approach mobile development.
- Improved my coding and problem-solving abilities. Working through real examples and debugging issues has sharpened my skills at translating designs into code and troubleshooting bugs.
- Expanded my technical knowledge beyond web development. Previously
Web 2.0 Application development with Ruby on RailsAmit Mathur
The document outlines a 4 day training on web 2.0 application development using Ruby on Rails, including an introduction to concepts like MVC, REST, and AJAX; it describes building a sample quiz application on the first two days to learn Rails fundamentals and then enhancing it with JavaScript, jQuery, and other technologies on days 3 and 4. Key topics to be covered include setting up Ruby and Rails, the architecture of web applications, an overview of Ruby programming concepts, and hands-on exercises to develop real applications.
Ror Seminar With agilebd.org on 23 Jan09Shaer Hassan
This presentation is done by Code71 Team to the IT community in Bangladesh. The presentation covers the basics of Ruby on Rails and the advantage of it over many other contemporary languages to build web applications. It also mentions the strength of RoR by siting great quotes and examples of great sites.
This document summarizes a presentation given by Koz Masumitsu about the first RubyConf China conference held in Shanghai in 2009. The key points are:
1) Koz discusses the founding of RubyConf China after being challenged to invite Yukihiro "Matz" Matsumoto, the creator of Ruby, by Stephen Grider.
2) RubyConf China was a great success, attracting over 500 Ruby programmers from China to hear Matz speak.
3) Koz highlights some of the activities and discussions that took place at RubyConf China, including talks given in Japanese, English, and Chinese.
The document discusses Ruby on Rails, a web application framework. It provides an overview of Ruby and Rails, explaining that Ruby is an object-oriented programming language and Rails is a full-stack framework built on Ruby that follows the model-view-controller pattern. It also discusses how Rails emphasizes conventions over configuration and helps developers build applications quickly.
The document discusses software as a service (SAAS) and why the company Viridian chose to use the Ruby on Rails web application framework. It notes that Rails allows for lower entry costs than other options due to reduced server maintenance needs and flexibility. It also summarizes some key advantages of Rails like its convention over configuration approach and support for modern technologies. The document provides resources for learning Rails including dev environments, tutorials, and open source projects to review.
Welcome To
Ruby Rails Web Development
Ruby on Rails Development Benefits and Pitfalls
Understanding how the many components of digital design and development are connected is crucial for web developers. Each pillar supports the span, much like a bridge, and if any one of them fails, the entire structure falls. Both poor design and poorly written code can obliterate even the most complex design solutions. Every component contributes to the final result, a user-friendly product.
We have provided you with some background information on the terms, procedures, and tools used in web development in previous posts. This article will carry on that theme. We're going to discuss one of the widely used web development tools, Ruby on Rails, and share some of its advantages and disadvantages with you.
brief history
A brief history will be presented first. Ruby is an open source, dynamic, object-oriented programming language with an emphasis on efficiency and productivity. The original version of the language, Ruby, which was created by Yukihiro "Matz" Matsumoto, was initially made available in the 1990s. Today, it provides power to popular services like Basecamp, Hulu, the original Twitter, and Living Social. Because Ruby offers a framework that supports a high level of developer flexibility, many businesses, including BBW, Cisco, CNET, IBM, JP Morgan, NASA, and Yahoo, employ it in some capacity.
The open-source Ruby on Rails web application framework is designed to increase programmers' long-term productivity. From his work on the project management tool Basecamp at the web application firm also known as Basecamp, David Heinemeier Hansson extracted Ruby on Rails. In July 2004, Hansson first made Rails available as open source. Even well-known companies like Amazon and eBay have Rails projects.
From my work on Basecamp, a project collaboration tool from 37signals, Rails (Ruby on Rails) was extracted. It was therefore driven by needs rather than predictions. And I think a large reason why we're doing so well right now is because of it. I didn't make an effort to consider what certain programmers could require for a dream job. I merely constructed what I required to complete my work cheerfully. David Heinemeier Hansson, the author of Ruby on Rails, is a different interviewee.
What is Ruby on Rails?
Model-view-controller (MVC) is how Rails apps work. This technique is utilized by numerous other web frameworks, including AngularJS (JavaScript), Django (Python), and CakePHP (PHP).Models, Views, and Controllers are the three components that make up the apps, according to this. These parts perform the following functions:
They include the functionality needed to modify and get the many types of data the app uses. A model is represented as a class in Rails. They are not low-level data types like strings or arrays.
Create the logic that connects views and models (and the data they are linked with). They perform input processing, make method calls, and send data to
Things you must know on ruby on rails single page applicationAndolasoft Inc
Ruby on Rails is improving and becoming popular amongst many popular technical communities as well as being implemented by Startup’s to Giants to build up their applications.
The process of integrating accessibility into the core WordPress development process has been challenging, but also rewarding. This presentation talks about the path we've taken in building the process, what steps we take to handle accessibility in WordPress, and where we're going in the future.
Ruby Rails Web Development SEO Expert Bangladesh LTD.pdfTasnim Jahan
Welcome to
Ruby on Rails Revolutionized the Web Developer World
In 2005, RoR appeared on the market and brought a novel method for creating Web apps.
The convention-over-configuration software design paradigm that Rails introduced makes it easier for developers to work on various levels, such as by removing the requirement for boilerplate code.
The same year that Django was released, the most well-known Python Web framework, Rails helped popularize the MVC pattern and sound programming principles like the DRY principle.
The Rails method of web development liberated developers from the tiresome aspects of the code, allowing them to Ruby Rails Web Development concentrate on the functionalities and business logic of the program.
Additionally, it improved productivity and aided in the much quicker delivery of MVPs and startup apps by developers.
Why Do So Many Think Ruby on Rails Is Dead or Dying?
The story of RoR's collapse is the result of numerous misconceptions that developed around the framework and language it is founded on, and is now almost an urban legend.
Slow Performance
Even if Rails has slower runtime speeds than, for instance, Node.js or Golang, this is only apparent with large products that receive a lot of traffic.
Rails isn't always to blame for poor speeds if this isn't a large app with a lot of users and queries; server design or databases are other factors to take into account.
Even massive apps or their components created in Rails can be quick with a well-planned architecture and infrastructure (essential in all large-scale projects, independent of the programming language).
Large-scale RoR apps include Basecamp, Airbnb, and GitHub, as examples.
Where does all that terrible rap originate, then?
Because Rails provides so many developer-friendly features, newbie developers frequently write incorrect code. The performance hit from bad code is substantial.
The performance problems that arise with Ruby and RoR are being actively worked on. For instance:
2018 saw the introduction of Ruby 2.6.1, which introduced new features and enhanced performance. The goal of the Ruby 3 developers was to triple the language's speed over Ruby 2.
The 2019 version of Rails 6.0 included solutions that further simplify the creation of Web apps. As a result of the updated benefits of Ruby on board, Rails started needing Ruby 2.5+ as of that point.
In addition to other benefits, Rails 7.0's 2021 release featured jsbundling-rails integration, asynchronous query loading of encrypted attributes to Active Record, and more.
Scalability Issues
I'll begin by outlining why it is incorrect to solely attribute scaling problems and shortcomings in managing numerous user requests to the framework.
Not just the backend of the web app, but every component of the server system architecture must be configured correctly and perform at the required level for the application to respond to requests rapidly.
When Twitter switched from Rails to Scala, Ruby on Rails was cri
The document summarizes aspects of developing and maintaining the Ruby programming language, including its core team members, development resources, issue tracking process, testing procedures, release management, and security practices. The Ruby core team consists of around 90 committers and branch maintainers who work on various parts of the codebase. Development resources include build servers, documentation hosting, package distribution, and funding from various sponsors. Feature requests require use cases, attached patches, and approval from the project leader Matz. Releases aim to occur yearly on Christmas and follow a branch model with backported fixes. Security issues present ongoing challenges.
Ruby on Rails is a web framework built on Ruby that aims to make web development simpler and more enjoyable. It was extracted from the Basecamp project management tool. Rails emphasizes conventions over configurations, separating concerns into models, views, and controllers, and following patterns that reduce repetition. Developers can get started with Rails by downloading the Ruby language and using resources like books, screencasts, and online communities to learn more. Popular hosting providers that support Rails include Heroku, Slicehost, and Dreamhost.
This document discusses strategies for scaling a Ruby on Rails application from a small startup to an enterprise-level application. It recommends starting with a small, highly productive team using Rails for rapid development. As the application and user base grow, it suggests adding caching, load balancing, and splitting the application across multiple servers. It also discusses personalizing pages with AJAX to improve caching. The goal is to scale the application efficiently while keeping development agile and in Rails.
The document discusses the RubyMotion framework for building iOS apps using Ruby instead of Objective-C, noting that it allows for compiled apps while maintaining many of the advantages of Ruby like shorter code and test-driven development support through tools like RSpec and automated testing. It also addresses common questions and concerns about RubyMotion like its compatibility with Apple's APIs and the risks of Apple breaking the framework.
IronRuby is a Ruby implementation that compiles Ruby code to .NET Intermediate Language. It allows Ruby code to run on the .NET Common Language Runtime and interoperate with .NET libraries. IronRuby was started by Microsoft but is now an open source project. It enables Ruby developers to build applications that integrate with existing .NET systems and libraries. However, IronRuby is still missing support for some Ruby standards like OpenSSL and has a lower test passing rate than MRI Ruby.
Salesforce Integration for Bonterra Impact Management (fka Social Solutions A...Jeffrey Haguewood
Sidekick Solutions uses Bonterra Impact Management (fka Social Solutions Apricot) and automation solutions to integrate data for business workflows.
We believe integration and automation are essential to user experience and the promise of efficient work through technology. Automation is the critical ingredient to realizing that full vision. We develop integration products and services for Bonterra Case Management software to support the deployment of automations for a variety of use cases.
This video focuses on integration of Salesforce with Bonterra Impact Management.
Interested in deploying an integration with Salesforce for Bonterra Impact Management? Contact us at sales@sidekicksolutionsllc.com to discuss next steps.
Your One-Stop Shop for Python Success: Top 10 US Python Development Providersakankshawande
Simplify your search for a reliable Python development partner! This list presents the top 10 trusted US providers offering comprehensive Python development services, ensuring your project's success from conception to completion.
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The document discusses how AT&T Interactive, formerly known as Yellowpages.com, uses Ruby and Ruby on Rails extensively. It overhauled Yellowpages.com using Rails and now has one of the largest Rails sites. It discusses how Rails is used for the website tier and a Merb-based services tier. It also describes using Ruby for other projects including mobile apps and internal tools. AT&T Interactive contributes to many open source Ruby projects and conducts research on new technologies using Ruby.
The document discusses various topics related to Rails deployment in the enterprise, including recommendations to use Ruby on Rails, MongoDB, and deployment tools like Capistrano and Puppet. It also covers some performance considerations and pitfalls to be aware of when using Rails.
Here are some ways the Mobiloitte training has helped me in the last month:
- Learned new skills in mobile app development. The hands-on projects and tutorials have given me practical experience building iOS and Android apps using technologies like Swift, Kotlin, and React Native.
- Gained a solid foundation in core mobile concepts. The courses covered everything from UI design principles to app architecture patterns to platform-specific APIs. This has helped me better understand how to approach mobile development.
- Improved my coding and problem-solving abilities. Working through real examples and debugging issues has sharpened my skills at translating designs into code and troubleshooting bugs.
- Expanded my technical knowledge beyond web development. Previously
Web 2.0 Application development with Ruby on RailsAmit Mathur
The document outlines a 4 day training on web 2.0 application development using Ruby on Rails, including an introduction to concepts like MVC, REST, and AJAX; it describes building a sample quiz application on the first two days to learn Rails fundamentals and then enhancing it with JavaScript, jQuery, and other technologies on days 3 and 4. Key topics to be covered include setting up Ruby and Rails, the architecture of web applications, an overview of Ruby programming concepts, and hands-on exercises to develop real applications.
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This presentation is done by Code71 Team to the IT community in Bangladesh. The presentation covers the basics of Ruby on Rails and the advantage of it over many other contemporary languages to build web applications. It also mentions the strength of RoR by siting great quotes and examples of great sites.
This document summarizes a presentation given by Koz Masumitsu about the first RubyConf China conference held in Shanghai in 2009. The key points are:
1) Koz discusses the founding of RubyConf China after being challenged to invite Yukihiro "Matz" Matsumoto, the creator of Ruby, by Stephen Grider.
2) RubyConf China was a great success, attracting over 500 Ruby programmers from China to hear Matz speak.
3) Koz highlights some of the activities and discussions that took place at RubyConf China, including talks given in Japanese, English, and Chinese.
The document discusses Ruby on Rails, a web application framework. It provides an overview of Ruby and Rails, explaining that Ruby is an object-oriented programming language and Rails is a full-stack framework built on Ruby that follows the model-view-controller pattern. It also discusses how Rails emphasizes conventions over configuration and helps developers build applications quickly.
The document discusses software as a service (SAAS) and why the company Viridian chose to use the Ruby on Rails web application framework. It notes that Rails allows for lower entry costs than other options due to reduced server maintenance needs and flexibility. It also summarizes some key advantages of Rails like its convention over configuration approach and support for modern technologies. The document provides resources for learning Rails including dev environments, tutorials, and open source projects to review.
Welcome To
Ruby Rails Web Development
Ruby on Rails Development Benefits and Pitfalls
Understanding how the many components of digital design and development are connected is crucial for web developers. Each pillar supports the span, much like a bridge, and if any one of them fails, the entire structure falls. Both poor design and poorly written code can obliterate even the most complex design solutions. Every component contributes to the final result, a user-friendly product.
We have provided you with some background information on the terms, procedures, and tools used in web development in previous posts. This article will carry on that theme. We're going to discuss one of the widely used web development tools, Ruby on Rails, and share some of its advantages and disadvantages with you.
brief history
A brief history will be presented first. Ruby is an open source, dynamic, object-oriented programming language with an emphasis on efficiency and productivity. The original version of the language, Ruby, which was created by Yukihiro "Matz" Matsumoto, was initially made available in the 1990s. Today, it provides power to popular services like Basecamp, Hulu, the original Twitter, and Living Social. Because Ruby offers a framework that supports a high level of developer flexibility, many businesses, including BBW, Cisco, CNET, IBM, JP Morgan, NASA, and Yahoo, employ it in some capacity.
The open-source Ruby on Rails web application framework is designed to increase programmers' long-term productivity. From his work on the project management tool Basecamp at the web application firm also known as Basecamp, David Heinemeier Hansson extracted Ruby on Rails. In July 2004, Hansson first made Rails available as open source. Even well-known companies like Amazon and eBay have Rails projects.
From my work on Basecamp, a project collaboration tool from 37signals, Rails (Ruby on Rails) was extracted. It was therefore driven by needs rather than predictions. And I think a large reason why we're doing so well right now is because of it. I didn't make an effort to consider what certain programmers could require for a dream job. I merely constructed what I required to complete my work cheerfully. David Heinemeier Hansson, the author of Ruby on Rails, is a different interviewee.
What is Ruby on Rails?
Model-view-controller (MVC) is how Rails apps work. This technique is utilized by numerous other web frameworks, including AngularJS (JavaScript), Django (Python), and CakePHP (PHP).Models, Views, and Controllers are the three components that make up the apps, according to this. These parts perform the following functions:
They include the functionality needed to modify and get the many types of data the app uses. A model is represented as a class in Rails. They are not low-level data types like strings or arrays.
Create the logic that connects views and models (and the data they are linked with). They perform input processing, make method calls, and send data to
Things you must know on ruby on rails single page applicationAndolasoft Inc
Ruby on Rails is improving and becoming popular amongst many popular technical communities as well as being implemented by Startup’s to Giants to build up their applications.
The process of integrating accessibility into the core WordPress development process has been challenging, but also rewarding. This presentation talks about the path we've taken in building the process, what steps we take to handle accessibility in WordPress, and where we're going in the future.
Ruby Rails Web Development SEO Expert Bangladesh LTD.pdfTasnim Jahan
Welcome to
Ruby on Rails Revolutionized the Web Developer World
In 2005, RoR appeared on the market and brought a novel method for creating Web apps.
The convention-over-configuration software design paradigm that Rails introduced makes it easier for developers to work on various levels, such as by removing the requirement for boilerplate code.
The same year that Django was released, the most well-known Python Web framework, Rails helped popularize the MVC pattern and sound programming principles like the DRY principle.
The Rails method of web development liberated developers from the tiresome aspects of the code, allowing them to Ruby Rails Web Development concentrate on the functionalities and business logic of the program.
Additionally, it improved productivity and aided in the much quicker delivery of MVPs and startup apps by developers.
Why Do So Many Think Ruby on Rails Is Dead or Dying?
The story of RoR's collapse is the result of numerous misconceptions that developed around the framework and language it is founded on, and is now almost an urban legend.
Slow Performance
Even if Rails has slower runtime speeds than, for instance, Node.js or Golang, this is only apparent with large products that receive a lot of traffic.
Rails isn't always to blame for poor speeds if this isn't a large app with a lot of users and queries; server design or databases are other factors to take into account.
Even massive apps or their components created in Rails can be quick with a well-planned architecture and infrastructure (essential in all large-scale projects, independent of the programming language).
Large-scale RoR apps include Basecamp, Airbnb, and GitHub, as examples.
Where does all that terrible rap originate, then?
Because Rails provides so many developer-friendly features, newbie developers frequently write incorrect code. The performance hit from bad code is substantial.
The performance problems that arise with Ruby and RoR are being actively worked on. For instance:
2018 saw the introduction of Ruby 2.6.1, which introduced new features and enhanced performance. The goal of the Ruby 3 developers was to triple the language's speed over Ruby 2.
The 2019 version of Rails 6.0 included solutions that further simplify the creation of Web apps. As a result of the updated benefits of Ruby on board, Rails started needing Ruby 2.5+ as of that point.
In addition to other benefits, Rails 7.0's 2021 release featured jsbundling-rails integration, asynchronous query loading of encrypted attributes to Active Record, and more.
Scalability Issues
I'll begin by outlining why it is incorrect to solely attribute scaling problems and shortcomings in managing numerous user requests to the framework.
Not just the backend of the web app, but every component of the server system architecture must be configured correctly and perform at the required level for the application to respond to requests rapidly.
When Twitter switched from Rails to Scala, Ruby on Rails was cri
The document summarizes aspects of developing and maintaining the Ruby programming language, including its core team members, development resources, issue tracking process, testing procedures, release management, and security practices. The Ruby core team consists of around 90 committers and branch maintainers who work on various parts of the codebase. Development resources include build servers, documentation hosting, package distribution, and funding from various sponsors. Feature requests require use cases, attached patches, and approval from the project leader Matz. Releases aim to occur yearly on Christmas and follow a branch model with backported fixes. Security issues present ongoing challenges.
Ruby on Rails is a web framework built on Ruby that aims to make web development simpler and more enjoyable. It was extracted from the Basecamp project management tool. Rails emphasizes conventions over configurations, separating concerns into models, views, and controllers, and following patterns that reduce repetition. Developers can get started with Rails by downloading the Ruby language and using resources like books, screencasts, and online communities to learn more. Popular hosting providers that support Rails include Heroku, Slicehost, and Dreamhost.
This document discusses strategies for scaling a Ruby on Rails application from a small startup to an enterprise-level application. It recommends starting with a small, highly productive team using Rails for rapid development. As the application and user base grow, it suggests adding caching, load balancing, and splitting the application across multiple servers. It also discusses personalizing pages with AJAX to improve caching. The goal is to scale the application efficiently while keeping development agile and in Rails.
The document discusses the RubyMotion framework for building iOS apps using Ruby instead of Objective-C, noting that it allows for compiled apps while maintaining many of the advantages of Ruby like shorter code and test-driven development support through tools like RSpec and automated testing. It also addresses common questions and concerns about RubyMotion like its compatibility with Apple's APIs and the risks of Apple breaking the framework.
IronRuby is a Ruby implementation that compiles Ruby code to .NET Intermediate Language. It allows Ruby code to run on the .NET Common Language Runtime and interoperate with .NET libraries. IronRuby was started by Microsoft but is now an open source project. It enables Ruby developers to build applications that integrate with existing .NET systems and libraries. However, IronRuby is still missing support for some Ruby standards like OpenSSL and has a lower test passing rate than MRI Ruby.
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We believe integration and automation are essential to user experience and the promise of efficient work through technology. Automation is the critical ingredient to realizing that full vision. We develop integration products and services for Bonterra Case Management software to support the deployment of automations for a variety of use cases.
This video focuses on integration of Salesforce with Bonterra Impact Management.
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Ruby and Twitter at the Ruby drink-up of Sophia, January 2013
1. Ruby Drink-up / January 2013
http://rivierarb.fr/2013/01/08/Drinkup/
Karan Malkani
2. ABOUT THESE SLIDES…
A Presentation of the Twitter / Ruby couple and why it did not last
Motivated by my own interest in Ruby, born 2 years ago when reading that
Twitter was made using Ruby (or Ruby on Rails)
An Internet-based desk research
But…
Not so much / easy available information due to the excellent Twitter
communication
3. TWITTER HISTORY WITH (A BIG) SHORTCUT
Born in the postcasting company Odeo
Initial idea: an SMS service within a small group / Original code name: twttr / First prototype
was used as an internal service for Odeo employees / Full version introduced publicly in July
2006
October 2006: Jack Dorsey, Biz Stonen, and Evan Williams formed Obvious Corporation,
acquired Odeo (including twitter.com).
Twitter, as a company, was launched in April 2007
Today: the 2nd social network in the world after Facebook:
(Estimated Unique Monthly Visitors – January 2013)
• 1 Facebook - 750,000,000
• 2 Twitter - 250,000,000
• 3 LinkedIn - 110,000,000
• 4 Pinterest - 85,500,000
• 5 MySpace - 70,500,000
• 6 Google Plus+ - 65,000,000
Source:
How Twitter Was Born http://www.140characters.com/2009/01/30/how-twitter-was-born/
Twitter Development History in 3 minute and 53 seconds! http://www.shoutmeloud.com/twitter-development-history-in-3-
minute-and-53-seconds.html
Wikipedia: Twitter http://en.wikipedia.org/wiki/Twitter
eBizMBA (http://www.ebizmba.com/articles/social-networking-websites)
4. A FANTASTIC GROWTH – (> 100M NEW USERS IN 2010)
Source:
http://blog.twitter.com/2010/02/measuring-tweets.html
http://mashable.com/2010/12/16/twitter-stats-2010/
5. THE PROBLEM
Source:
http://www.whatisfailwhale.info/
http://en.wikipedia.org/wiki/Twitter#Outages
http://www.wired.com/underwire/2008/07/twitter-fans-tu/
6. WHY SCALING?
Number of users
Number of messages (impacted by the Retweet feature realeased end 2009)
Applications that can publish tweets / Applications that access tweets
Search Engine (Twitter acquired Summize – July 2008)
2009 : Some critical outages / Many FailWhales experiences
June 12, 2009 – In what was called a potential "Twitpocalypse", the unique numerical identifier associated with each
tweet exceeded the limit of 32-bit signedintegers (2,147,483,647 total messages).[142] While Twitter itself was not
affected, some third-party clients could no longer access recent tweets. Patcheswere quickly released, though
some iPhone applications had to wait for approval from the App Store.[143]
June 25, 2009 – Twitter ran slowly for some time after over 50,000 tweets on Michael Jackson’s death were recorded
in an hour.[144]
August 6, 2009 – Twitter and Facebook suffered from a denial-of-service attack, causing the Twitter website to go
offline for several hours.[145] It was later confirmed that the attacks were directed at one pro-Georgian user around
the anniversary of the 2008 South Ossetia War, rather than the sites themselves.[146]
September 22, 2009 – The identifier exceeded the limit for 32-bit unsigned integers (4,294,967,296 total messages)
again breaking some third-party clients.[147]
Source:
http://blog.twitter.com/2009/11/retweet-limited-rollout.html
http://techcrunch.com/2008/07/15/confirmed-twitter-acquires-summize-search-
engine/
http://en.wikipedia.org/wiki/Twitter#Outages
http://www.businessinsider.com/twitter-doesnt-have-product-geniuses-so-its-
buying-them-2010-4
7. STARTING TWITTER WITH RUBY
An excellent choice to
Quickly prototype
Quickly launch a first real site
Quickly deploy an API for third-party applications
Tease and attract developers
Improving performances with Ruby:
Example - mid 2009: Evan Weaver (Twitter)
We recently migrated Twitter from a custom Ruby 1.8.6 build to a
Ruby Enterprise Edition release candidate, courtesy of
Phusion. Our primary motivation was the integration of
Brent’s MBARI patches, which increase memory stability.
Some features of REE have no effect on our codebase, but we
definitely benefit from the MBARI patchset, the Railsbench
tunable GC, and the various leak fixes in 1.8.7p174. These
are difficult to integrate and Phusion has done a fine job.
Source:
http://blog.evanweaver.com/2009/09/24/ree/
http://www.linkedin.com/in/evanweaver/
8. RUBY ISSUES KNOWN WHEN TWITTER WAS FOUNDED
FULL COPY/PASTE OF: HOW HAS RUBY ON RAILS BEEN HOLDING UP TO THE INCREASED LOAD? (5 QUESTION INTERVIEW WITH TWITTER
DEVELOPER ALEX PAYNE – APRIL 2007)
By various metrics Twitter is the biggest Rails site on the net right All the convenience methods and syntactical sugar that makes
now. Rails such a pleasure for coders ends up being absolutely
punishing, performance-wise.
Running on Rails has forced us to deal with scaling issues - issues
that any growing site eventually contends with – far sooner than I Once you hit a certain threshold of traffic, either you need to
think we would on another framework. strip out all the costly neat stuff that Rails does for you (RJS,
ActiveRecord, ActiveSupport, etc.) or move the slow parts of
The common wisdom in the Rails community at this time is that your application out of Rails, or both.
scaling Rails is a matter of cost: just throw more CPUs at it.
It’s also worth mentioning that there shouldn’t be doubt in
The problem is that more instances of Rails (running as part of a anybody’s mind at this point that Ruby itself is slow.
Mongrel cluster, in our case) means more requests to your database.
It’s great that people are hard at work on faster implementations
At this point in time there’s no facility in Rails to talk to more than one of the language, but right now, it’s tough. If you’re looking to
database at a time. deploy a big web application and you’re language-agnostic,
The solutions to this are caching the hell out of everything and realize that the same operation in Ruby will take less time in
setting up multiple read-only slave databases, neither of which are Python.
quick fixes to implement. All of us working on Twitter are big Ruby fans, but I think it’s
So it’s not just cost, it’s time, and time is that much more precious worth being frank that this isn’t one of those relativistic language
when people can[‘t] reach your site.None of these scaling issues. Ruby is slow.
approaches are as fun and easy as developing for Rails.
Source:
http://yasulab.tumblr.com/post/10271634919/5-question-interview-with-
twitter-developer-alex-payne/
The original article on Radical Behavior is no longer accessible
9. ABANDONNING RUBY ON RAILS
April 2008 - After 2 years of high scaling problems: decision is made to abandon
RoR
Start to change the infrastructure: Middleware moved to a mixture of C and
Scala/JVM to run a messaging model, asynchronous process, 3 levels of
cache (Twitter kept Ruby for the front-end only)
April 2009 - Twitter on Scala
Spring 2010 – changing the back-end from MySQL to a real-time version of
Lucene (Apache database)
2011 – RoR front-end for search replaced with Blender, a Java server
Source:
http://techcrunch.com/2008/05/01/twitter-said-to-be-abandoning-ruby-on-rails/
http://www.artima.com/scalazine/articles/twitter_on_scala.html
http://engineering.twitter.com/2011/04/twitter-search-is-now-3x-faster_1656.html
10. THE “GEEK” SLIDE (I DON’T UNDERSTAND THIS STUFF)
> Ruby side
Mongrel
Kiji (generational garbage collector)
Starling (light-weight persistent queue server speaking MemCache
protocol)
> Java side
Modified Lucene (real-time version of the java database)
Optimized JSON fragment cache (to handle initial page load and
every call from the client)
Mustache (for the rendering – client and server side)
oEmbed (standard to handle the inline media)
Source:
http://engineering.twitter.com/2010/09/tech-behind-new-twittercom.htm
http://engineering.twitter.com/2010/10/twitters-new-search-architecture.html
http://engineering.twitter.com/2011/04/twitter-search-is-now-3x-faster_1656.html
http://www.infoq.com/news/2012/11/twitter-ruby-to-java
11. HOW TO TERMINATE THIS SLIDE SET?
Sorry - This was not so much about Ruby
Yellowpages.com did exactly the contrary in 2008, moving from Java on Rails to Ruby on Rails
The “New Twitter” is fantastic – and survived the US Election end 2012. Some impressive numbers:
327,452 tweets/minute, 31 M election-related tweets during the day, with a 15,107 tweets/second
peak)
Back to June 2009 (copy/paste from Scaling Twitter: Making Twitter 10000 Percent Faster)
Twitter started as a side project and blew up fast, going from 0 to millions of page views within
a few terrifying months. Early design decisions that worked well in the small melted under the
crush of new users chirping tweets to all their friends. Web darling Ruby on Rails was fingered
early for the scaling problems, but Blaine Cook, Twitter's lead architect, held Ruby blameless:
For us, it’s really about scaling horizontally - to that end, Rails and Ruby haven’t been
stumbling blocks, compared to any other language or framework. The performance boosts
associated with a “faster” language would give us a 10-20% improvement, but thanks to
architectural changes that Ruby and Rails happily accommodated, Twitter is 10000% faster
than it was in January.
If Ruby on Rails wasn't to blame, how did Twitter learn to scale ever higher and higher?
Source:
http://techcrunch.com/2008/05/01/twitter-said-to-be-abandoning-ruby-
on-rails/
http://highscalability.com/scaling-twitter-making-twitter-10000-percent-
faster
http://www.infoq.com/news/2012/11/twitter-ruby-to-java