InfoQ Homepage Performance & Scalability Content on InfoQ
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Book Excerpt and Review: Release It!
Release It!: Design and Deploy Production-Ready Software by Michael Nygard discusses what it takes to make production-ready software, and explains how this differs from feature-complete software. InfoQ spoke with Michael Nygard and asked him several questions related to the book and some of the issues it raises.
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Ruby 1.9 released
Ruby 1.9 has just been released, bringing a host of new features and improvements. Speed improvements come from the new YARV VM, concurrency features were updates with native threading and Fibers, and language changes such as a new Hash literal syntax tighten the language. We take a look at some of the features and where to find information about Ruby 1.9.
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Declarative, Imperative, and Task-based Parallelism in .NET
Daniel Moth has released four videos on Parallel Extensions for .NET. These cover the new declarative, imperative, and task-based parallelism APIs for the .NET framework.
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Monitoring Ruby
Developing Ruby and RoR apps might be easy - but what to do when something goes wrong, the interpreter misbehaves or memory leaks spring up. We look at the current options for taking a peek inside Ruby applications.
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Presentation: Werner Vogels on The Amazon.com Technology Platform: Building Blocks for Innovation
In a presentation recorded at QCon, Amazon.com CTO Werner Vogels explains how Amazon has become a platform provider, and how an increasing number of diverse businesses are built on this platform. Although Amazon.com's scale makes them seem an extreme case, lessons have been learnt that will be of use to every enterprise looking to provide services to or to consume services of business partners.
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Discussing 5+ Ways to Trace Java Execution
A new blog post by Zviki Cohen looks at 5 ways to trace Java execution. The resulting discussion also brings valuable angles worth consideration.
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Udi Dahan on increasing scalability by making things asynchronous
Making things asynchronous is a proven way to increase scalability, and yet, many things seem to be naturally synchronous. But does that mean that these problems can't be solved in an asynchrounous way, or does it mean that we're simply stuck in our thinking? Udi Dahan challenges this thinking in the article 'Asynchronous, High-Performance Login for Web Farms'.
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PLINQ Has Been Released As Parallel Extensions
A community tech preview of Parallel Extensions, originally known as PLINQ, has been released. Parallel Extensions goes beyond what was found in PLINQ and will include imperative data parallel APIs.
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Oniguruma Java port speeds up JRuby
Joni, the Java port of the Oniguruma Regex engine, has been merged into the JRuby trunk. This promises to be the final step in implementing compatible and fast Regexes for JRuby... and initial tests with REXML seem to back that up.
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Performance Tuning Spring Applications
In a new white paper from SpringSource, Adrian Colyer explains the Spring from a new perspective - the runtime environment - and provides tips for performance tuning.
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GigaSpaces goes free for small business
Gigaspaces earlier this month announced that it will now be offering small business free perpetual use of its eXtreme Application Platform (XAP) product. Business with < 5M in revenues can get free licenses of the software platform, in perpetuity. GigaSpaces platform is primarily Java-based but also has .NET clients. InfoQ spoke to Geva Perry from GigaSpaces to find out more.
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The RDBMS is not enough.
In a world of services, RDBMS are not the solution to every problem. Document Oriented Distributed Databases try to solve this and add a new way of storing documents. CouchDB (written in Erlang) is in its alpha stage and evolving on a regular basis. InfoQ caught up with Anthony Eden who is implementing the same concept in Ruby with RDDB.
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Lessons from building Oracle Mix on JRuby on Rails
Rich Manalang posts a detailed report about the development of Oracle Mix, starting out on MRI, then moving to JRuby. Along the way, a few valuable lessons about JRuby (on Rails) development and performance pitfalls were learned.
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Article: Iterative, Automated and Continuous Performance
A new InfoQ article looks at evaluating performance in an iterative and continuous manner.
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Designing for flexibility and robustness: Asynchronous message model, OOP and Functional Programming
According to Pragmatic Programmers it is preferable in OOP to avoid design based on returning values. Michael Feathers argues that it may also be better to use the asynchronous message model that might be instrumental for improving adaptability and robustness. This maps well to the Erlang model though opposing some of the principles of pure functional programming.