By Ilya Grigorik on June 02, 2011 Earlier this week Heroku rolled out a major upgrade to their webstack. The HTTP/1.1 support and the billing upgrades are both great improvements, but the "process model" definitely takes the crown: all of the sudden Heroku is much more than a Ruby+Rack hosting platform. Prior to this release, Heroku hosted Ruby only apps on top of the Thin web-server. Each "dyno"
ブックマーク / www.igvita.com (8)
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o_show 2011/06/03
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Mneme: Scalable Duplicate Filtering Service - igvita.com
By Ilya Grigorik on March 24, 2011 Detecting and dealing with duplicates is a common problem: sometimes we want to avoid performing an operation based on this knowledge, and at other times, like in a case of a database, we want may want to only permit an operation based on a hit in the filter (ex: skip disk access on a cache miss). How do we build a system to solve the problem? The solution will d
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New Ruby 1.9 Features, Tips & Tricks - igvita.com
By Ilya Grigorik on February 03, 2011 Ruby 1.9 packs in a lot of new and improved features at all levels: it introduces a few new syntax constructs, the built-in libraries have been updated with hundreds of new methods and classes, it adds language level support for characters encodings, it ships with an entirely new virtual machine, and the list goes on. If you haven't already, you should serious
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Routing with Ruby & ZeroMQ Devices - igvita.com
By Ilya Grigorik on November 17, 2010 ZeroMQ sockets provide message-oriented messaging, support for multiple transports, transparent setup and teardown, and an entire array of routing patterns via different socket types - see quick refresher on ZeroMQ. The combination of these features, as well as the fact that we can bind or connect a single socket to multiple endpoints is what makes ZeroMQ "top
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Scalable Work Queues with Beanstalk - igvita.com
By Ilya Grigorik on May 20, 2010 Any web application that reaches some critical mass eventually discovers that separation of services, where possible, is a great strategy for scaling the service. In fact, oftentimes a user action can be offloaded into a background task, which can be handled asynchronously while the user continues to explore the site. However, coordinating this workflow does requir
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Ruby & WebSockets: TCP for the Browser - igvita.com
By Ilya Grigorik on December 22, 2009 WebSockets are one of the most underappreciated innovations in HTML5. Unlike local storage, canvas, web workers, or even video playback, the benefits of the WebSocket API are not immediately apparent to the end user. In fact, over the course of the past decade we have invented a dozen technologies to solve the problem of asynchronous and bi-directional communi
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Advanced Messaging & Routing with AMQP - igvita.com
By Ilya Grigorik on October 08, 2009 Not all message queues are made equal. In the simplest case, a message queue is synonymous with an asynchronous protocol in which the sender and the receiver do not operate on the message at the same time. However, while this pattern is most commonly used to decouple distinct services (an intermediate mailbox, of sorts), the more advanced implementations also e
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Profiling Ruby With Google's Perftools - igvita.com
By Ilya Grigorik on June 13, 2009 Benchmarking, profiling and debugging are all areas where better tool support could really benefit the Ruby community. Built in benchmark library and extensions such as ruby-prof provide us with a minimal level of introspection to help identify the common bottlenecks, but they still fall short of the available tools for the JVM, or other dynamic runtimes. If you'r
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