InfoQ Homepage Performance & Scalability Content on InfoQ
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Merb Will Be Merged Into Rails 3.0
Big news for Ruby web frameworks: Merb and Rails will be merged in Rails 3.0. The merge will bring some of Merb's characteristics to Rails: a defined public API, ability to run a barebones version rails-core (like merb-core) with further functionality available in the form of plugins, performance improvements and more.
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Presentation: Second Life’s Architecture
In this presentation, Ian Wilkes, VP of Systems Engineering, describes the architecture used by the popular game named Second Life. Ian presents how the architecture was at its debut and how it evolved over years as users and features have been added.
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Erlang Style Concurrency for .NET Applications Part 1 - CCR
Erlang allows for massively scalable concurrency, often with millions of lightweight, thread-like components known as actors. Unfortunately, using Erlang requires rewriting all of your legacy code into a rather esoteric language. But there are other options, such as the little known CCR platform that was developed by .NET's robotics department.
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Ruby Performance: Great Shootout Results And A Discovery About Binary MRI vs Source Compiled MRI
Antonio Cangiano has again benchmarked all Ruby VMs, MRI 1.8 and 1.9.1, REE, JRuby, Rubinius, IronRuby and MagLev. The results show the steady improvement of the performance of all VMs - and a few surprising lessons of how the performance of MRI can vary.
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Presentation: Ian Flint Explains Yahoo! Communities Architectures
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.
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Ruby FFI Brings Native Library Access to JRuby, MRI
The Ruby FFI library allows to access native code loaded from shared libraries. Created for Rubinius, it was recently ported to JRuby, MRI (1.8 and 1.9). Ruby FFI 0.2.0 has now been released.
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JXInsight 5.7 Supports Activity Based Metering Solution and JMX Integration for Java Applications
The latest version of JXInsight, an application performance monitoring software, supports activity based metering solution and JMX integration for Java applications. JInspired development team has recently announced the availability of JXInsight 5.7 version.
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RubyConf'08 Videos: Ruby VMs: Internals of YARV, Rubinius, MagLev
The videos from RubyConf '08 are available. We looked at the Ruby VM talks. Sasada Koichi, creator of the Ruby 1.9 VM, talks about the state of the VM, experiments with Ruby to C AOT, Ricsin and more. Evan Phoenix talks about the state of the Rubinius C++ VM. A detailed talk shows how MagLev is implemented. Also: MacRuby, JRuby, IronRuby, VM optimizations, RubySpec.
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Clustered JRuby - Transparent Clustering of JRuby with Terracotta
Gemstone's Maglev Demo at RailsConf sparked a lot of interest. A new project experiments with bringing this kind of transparent clustering to JRuby using Terracotta. We talked to Fabio Kung who's been experimenting with this approach.
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Interview: Dan Farino About MySpace’s Architecture
In this interview taken by InfoQ’s Ryan Slobojan, Dan Farino, Chief Systems Architect at MySpace, talks about the system architecture and the challenges faced when building a very large online community. Because MySpace is built almost entirely on the .NET Framework, Dan explains how a .NET product scales on hundreds of servers.
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Smooth HTTP Caching With Rack::Cache
The ways to cache a web application are numerous and often complex. Apart from the very basic page caching, Rails 2.2 introduced conditional GET through the use of HTTP headers: last_modified and etag. Following most of the internet standard caching section of RFC2616, Ryan Tomayko released Rack::Cache.
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What Is Wrong With Ruby's Net::HTTP?
Ruby's implementation of Net::HTTP has serious performance problems in the current version 1.8.6, caused by some implementation details. Luckily, both Ruby 1.8.7 and 1.9's implementation performs much better.
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256 Core SQL Server
With Windows Server 2008 R2 and SQL Server Kilimanjaro, it is expected that SQL Server will be able to support at least 256 logical processors.
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Mono: Going Beyond the Standard
The Mono team is perpetually playing catch-up to Microsoft. That's the party line, but is it still true? Recent advances suggest Mono may soon be challenging Microsoft on its own turf.
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Performance Monitoring Roundup: Rails Core and New Relic Cooperate, FiveRuns TuneUp Supports Merb
NewRelic announced a cooperation with the Rails Core team to improve Rails performance. An opt-in feature allows to make performance data available to the Rails Core team, which can use it to figure out Rails bottlenecks in real world Rails apps. Also: FiveRuns' TuneUp performance monitoring tools now supports Merb.