InfoQ Homepage Performance & Scalability Content on InfoQ
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Partial Methods in VB and C#
Two language features, Dynamic Interfaces and Dynamic Identifiers, were cut from VB 9. New features that are being added in their place include Partial Methods. While partial methods share many of the same use cases as events, they have very different implementations.
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Interview: Frank Cohen on FastSOA
InfoQ today publishes a one-chapter excerpt from Frank Cohen's book "FastSOA". On this occasion, InfoQ had a chance to talk to Frank Cohen, creator of the FastSOA methodology, about the issues when trying to process XML messages, scalability, using XQuery in the middle tier, and document-object-relational-mapping.
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Rails 1.2 slower than 1.1?
Stefan Kaes compared Rails 1.2 performance against 1.1 and found out 1.2 was 20% slower than 1.1 version.
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MapReduce Gaining Traction: Tools Plugin Released for Eclipse and Amazon EC2 Support
IBM's Alphaworks website has released an Eclipse plugin to simplify the development of applications using Hadoop, the open source Java MapReduce framework. Work has also been done to easily allow Hadoop applications to run on Amazon's EC2 and S3 platforms for processing and storage.
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QCon: REST for SOA at Yahoo!
In his talk at the QCon conference, Mark Nottingham, a "Principal Technical Yahoo!", provided some insight into how the Yahoo! Media Group uses the Web, and not Web services, to build its SOA variant. According to Mark, the Yahoo! Media Group gains significant advantages by using HTTP RESTfully, especially by exploiting caching opportunities.
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Presentation: Maintaining Java Apps in Production Environments
Alexandre Rafalovitch delivers an organized overview of the tools and techniques that help with resolving problems that arise in real production environments. The presentation places emphasis on free and open source tools capable of being useful out of the box, without extensive configuration. Common problems are discussed, along with methods of rapid analysis and root cause determination.
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Excelsior JET to allow streamlined JRE Deployments
Excelsior has commented on a major change coming in v5 of their Java SE 5 implementation, Excelsior JET. To reduce the download size of applications, developers will be able to exclude parts of the JDK from the application.
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Article: Introduction to OpenTerracotta
OpenTerracotta is an open source enterprise-class JVM clustering solution that can take multi-threaded single-JVM apps and have them run across multiple JVMs with no code changes. Orion Letizi goes super-indepth on Terracotta and how it works, explaining how to do session replication, distributed caching, master/worker, and more.
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Interview with William Louth on JXInsight 5.0
JInspired released version 5 of JXInsight, their performance monitoring tool. InfoQ sat down with William Louth, JXInsight Product Architect and CTO of JInspired to talk about the release and performance monitoring and optimization.
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Axis2 vs. XFire Performance Benchmark
The results of a performance benchmark published by Axis2 committers has created a flood of blog entries, some of which contain useful information.
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YourKit Java Profiler Version 6.0 Released
YourKit released version 6 of their Java Profiler recently. Version 6 includes support for Java 6 as well as adaptive recording of object memory allocation which allows you to skip monitoring of some allocation events and thus improves performance during profiling.
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Presentation: Distributed Caching Essential Lessons
Cameron Purdy presents on improving performance and scalability of applications through the use of caching to reduce load on the database teir and & clustered caching to provide transparent fail-over by reliably sharing live data among clustered JVMs.
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SQL Server Always-On Solution Review Program
When building a mission critical database, a lot of attention needs to be paid to the hardware. Simply getting the fastest drives isn't enough if those drives cannot be hot swapped or corrupt data whenever the power fails. Fortunately Microsoft has created a program for choosing the correct storage mechanism.
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O/R Mapping, Caching, and Performance
One of the common misconceptions about Object/Relational Mapping (O/R Mapping) frameworks is that they give developers caching for free and that caching improves performance. While O/R Mapping frameworks do rely on caching, improved performance isn't in the cards.
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Performance Tuning on the .NET Compact Framework
Applications written for the .NET Compact Framework (NetCF) typically run on machines with far less power that your typical laptop. Since performance is far more of an issue on these platforms, the .NET Compact Framework Team has added a new performance logger to the NetCF 3.5.