InfoQ Homepage Performance & Scalability Content on InfoQ
-
Using Dtrace to Improve Rails Performance
InfoQ investigates how three companies recently collaborated to use DTrace, a powerful open source process introspection tool, to find and fix a substantial Rails latency issue.
-
A Twitter in a Teapot?
Just over a week's gone by and the community is still buzzing with the Rails scalability debate. Developers are asking the defining question: does Web 2.0 darling Twitter.com prove Rails can't scale? James Cox gives InfoQ readers a comprehensive summary.
-
Automatic Parallel Processing, Will It Work?
Larry O'Brien questions the assumption that multi-core processors and languages that can leverage them will necessarily lead to performance gains.
-
Choosing Patterns over Abstractions: Streaming XML
Due to its structure, XML does not naturally stream well. Microsoft’s XML Team researched several different APIs in an attempt to abstract away the complexity. In the end, they choose to give up on abstract APIs and instead demonstrate some coding patterns to accomplish the same goal.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.