InfoQ Homepage Performance & Scalability Content on InfoQ
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Coordination Data Structures: New Classes for .NET Multithreading
The June drop of Parallel Extensions for .NET added a set of classes to make sharing data in a multi-threaded application easier. With ten new classes including new synchronization primitives, futures, and new collection classes, there is only time to touch on each of them briefly.
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Parallel Extensions to the .NET Framework June 2008 CTP Released
Microsoft has just released the Parallel Extensions to the .NET Framework June 2008 CTP.
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Principles and Guidelines for an Optimized Use of BigTable
Based on a number of conversations around Google App Engine, Todd Hoff outlined on his blog a set of principles that are instrumental for optimizing the use of distributed and highly scalable storage systems, such as BigTable, and defining its perimeter. The conceptual approach he advocates for is radically different from the one used in relational database world.
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Concurrency Presentation Scheduled for the PDC Pre-Conference Sessions
Microsoft's The Parallel Computing Platform team will be presenting on Concurrent, Multi-core Programming for Windows and .NET during the PDC pre-conference Sessions. These sessions are day-long, in-depth presentations on specific topics. Held the Sunday before the main conference, a separate registration is required.
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Oracle's Cameron Purdy Looks at 10 Patterns for Scaling Out
Oracle's Cameron Purdy recently presented on the topic of scalability at JavaOne 2008. The talk did not focus on specific Java libraries as do many talks at JavaOne. Instead general principles of architecture and design were reviewed from a pragmatic common sense angle.
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Article: Scalability Best Practices Lessons from eBay
eBay Distinguished Architect at eBay Randy Shoup explains eBay key scalability practices of partitioning, horizontal scale, avoiding XA, asynchronicity, and virtualization. eBay has hundreds of millions of users, over a billion page views a day, and petabytes of data in their systems.
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JavaOne: Cliff Click on a Scalable Non-Blocking Coding Style
Dr Cliff Click, a distinguished engineer at Azul Systems, gave a talk at this year's JavaOne about a scalable, non-blocking coding style in Java. The coding style has allowed him to build several lock-free data structures in Java that successfully scale on processors with hundreds of cores.
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JSR-292 Early Draft Review Announced
The early draft review of JSR-292 has been released. JSR-292 defines the 'invokedynamic' instruction, a bytecode instruction to assist in the implementation of dynamic languages on JVM.
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Article: Scalability Principles
At the simplest level, scalability is about doing more of something. This could be responding to more user requests, executing more work or handling more data. This article presents some principles and guidelines for building scalable software systems.
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JBoss Operations Network 2.0 launched: An Integrated Management Platform
Red Hat launched JBoss Operations Network (JON) 2.0, an integrated middleware management platform that aims to simply application development, testing, deployment and monitoring. It includes a new agent with command-line interface with remote agent configuration, extensible APIs for interoperability and true SSL encryption and authentication for bi-directional server-agent communications.
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Facebook Chat Architecture
An under the covers look at the Facebook Chat architecture. "The secret for going from zero to seventy million users overnight is to avoid doing it all in one fell swoop."
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Breaking Changes in the .NET ThreadPool
When .NET 2.0 SP 1 was released with .NET 3.5, the thread pool underwent some significant changes. As Michael C. Kennedy discovered, not all were for the best.
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JavaOne: Garbage First
In a JavaOne presentation, Sun Microsystems’ Tony Printezis provided more details on Garbage First, a replacement for the CMS garbage collector particularly targeted at long running server applications.
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Java 6 Hotspot Performance
Sun Microsystem's Kohsuke Kawaguchi examines the assembly code that the Hotspot JIT produces in JDK6.
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JRuby Roundup: 1.1.1 with Profiler, Startup Performance Boost, GSoC '08
JRuby's 1.1.1 release brings a few improvements over the initial 1.1 release, including a fix for a problem on IBM VMs and it now ships with the JIP profiler. Users of the JRuby 1.1.x trunk can also try out a new performance improvement that promises to seriously boost startup performance. Also: a look at GSoC '08 project related to JRuby.