Insightful SoftwareKnowing the right way to export an SVG (scalable vector graphics) file can be tricky, especially if your goal is to animate it later. When…
Twitterのトラブルから見る、DB分割でスケーラブルなRailsサイト構築:TKMR.blog.show
最近、2.0な方々の間でTwitterが話題になってる。で、そのTwitter自体も面白いんだけど、TwitterについてDHHがブログを書いてRailsでの大規模サイト構築が話題になってるのが面白い。 Twitter trouble (Loud Thinking - DHH) まずTwitterの高負荷について言及、Twitterは11,000リクエスト/秒 の高負荷で問題となっているらしい。 そしてスケーラビリティの鍵はDB分割だ、と言っている。Railsは基本一つのDBを見るのでスケーラビリティの問題になる （確かにWebサーバはロードバランサがあればいくらでもスケールするしね、Sessionの共有だけ気を付ければ） ↓ Dr Nic » Magic Multi-Connections: A “facility in Rails to talk to more than o
[PLUGIN RELEASE] ActsAsReadonlyable
Introduction ActsAsReadonlyable adds support of multiple read-only slave databases to ActiveRecord models. When a model is marked with acts_as_readonlyable, some of AR finders are overridden to run against a slave DB. The supported finders are find, find_by_sql, count_by_sql, find_[all_]by_*, and reload. Finders can be forced to fall back to a default DB by passing the :readonly flag set to false.
Master/Slave Databases with Ruby on Rails | Robby on Rails
Not terribly long ago, I announced Active Delegate, which was a really lightweight plugin that I developed to allow models to talk to multiple databases for specific methods. The plugin worked great for really simple situations, like individual models.. but when it came time to test with associations it fell apart. I haven’t had a chance to work on any updates and knew that it was going to take mo
Scaling Rails Screencasts | Programming Zen
Within the Rails community, New Relic is a company that doesn’t need any introductions. They are synonymous with performance and reliability, thanks to their RPM product for monitoring, detecting, and fixing Rails application performance problems in real time. What everybody may not have noticed though, is that New Relic started something called RailsLab, a site in which they publish videos and ot
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Dr Nic » [ANN] Generating new gems for graceful goodliness
Dr. Nic is the CEO and founder of Stark & Wayne. He previously served as both VP of Technology and VP of Engineering at Engine Yard. He discovered Cloud Foundry in 2011, and launched Stark & Wayne in 2012 to help the enterprise world with successfully running application container platforms. Dr Nic is a heavy user and evangelist of Cloud Foundry, Kubernetes, Rancher, Concourse CI, and BOSH. He is
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NeverBlock | NeverBlock: Instant Scaling For Your Rails Apps
Today marks a milestone in the short history of NeverBlock. We have pushed a new release with lots of new features, mainly: NeverBlock now supports Ruby1.8. NeverBlock support for Thin and Mongrel servers. NeverBlock now supports Ruby on Rails. Let's iterate over the above points and explain them in more detail. NeverBlock Now Supports Ruby 1.8 Utilizing Aman Gupta's Poor Man's Fibers we wer
Teflon Ted: Rails Doesn't Scale
Divorced Java after 12 years of misery. Eloped with Ruby and never been happier. [Originally posted to the AdPickles blog.] Last month, an old entrepreneurial colleague dropped me a note regarding some speed bumps he's hit while courting potential investors and partners... "I've heard a few people mention that they heard that Rails doesn't scale [...] any suggestions on how we might alleviate thei
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https://www.railsenvy.com/2009/2/26/client-side-caching-advanced-http-caching