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Transitioning from RDBMS to NoSQL. Interview with Couchbase’s Dipti Borkar

While relational databases have been used for decades to store data, and they still represent a viable solution for many use cases, NoSQL is being chosen today especially for scalability and performance reasons. This article contains an interview with Dipti Borkar, Director of Product Management at Couchbase, on the challenges, benefits and the process of migrating from RDBMS to NoSQL.

Abel Avram
on Sep 08, 2012
Architecture & Design

Healthy Architectures - Using CQRS and Event Sourcing for Electronic Medical Records

The health care industry has been migrating to electronic medical/health records (EMR/EHR) for some time. Hopwever, problems such as performance and scalability, along with maintaining traceability and reconstructing healthcare related business events need to be addressed. The article introduces the use of techniques and patterns for providing these quality attributes.

Arunava Chatterjee
on Mar 12, 2012
Book on Solving Enterprise Applications Performance Puzzles by Leonid Grinshpan

Performance is one of the most critical attributes for enterprise applications. Even though not mentioned explicitly, properties such as response time or throughput are key issues that decide about user acceptance.Leonid Grinshpan, PhD and Consulting Director at Oracle Corporation, has dedicated his book "Solving Enterprise Applications Performance Puzzles" to this topic.

Michael Stal
on Feb 29, 2012
Book Review and Interview: Java Performance, by Charlie Hunt and Binu John

Java Performance, by Charlie Hunt and Binu John, provides performance tuning advice for both Java SE and EE applications. Specifically, it provides information on performance monitoring, profiling, tuning HotSpot, and Java EE application performance tuning. InfoQ reviews the book, and talks to the authors about their approach.

Charles Humble
on Feb 01, 2012
Effective Java Profiling With Open Source Tools

In this example-driven article, Joachim Haagen Skeie walks you step by step through using open source tools like JMap, VisualVM, BTrace, and EurekaJ to get under the hood of your running Java apps to effectively diagnose performance and memory problems.

Joachim Haagen Skeie
on Sep 28, 2011
Three Tips to Successfully Load Test Microsoft Silverlight Applications

While Silverlight is an attractive option for developing expanded application, it brings new challenges to organizations. In preparation, companies must adapt their testing approach. Given the way new technologies work when deployed on internet/intranet applications, a careful approach to testing is important.

Rebecca Clinard
on Aug 22, 2011
Twitter Shifting More Code to JVM, Citing Performance and Encapsulation As Primary Drivers

While it almost certainly remains the largest Ruby on Rails based site in the world, Twitter has gradually been moving more and more of its stack to the JVM. Last year the company announced that its back-end message queue had been re-written in Scala, and more recently it moved the search stack to Java, making Twitter search around three times faster.

Charles Humble
on Jul 04, 2011
Pieter van Zyl on Benchmarking ORM Tools and Object Databases

OO7J is a Java version of the original OO7 benchmark (written in C++). This project includes benchmarking Object Relational Mapping (ORM) tools. Currently there are implementations for Hibernate on PostgreSQL, MySQL, db4o and Versant databases. InfoQ and Roberto V. Zicari from ODBMS.ORG recently interviewed Pieter van Zyl, creator of the OO7J benchmark.

Roberto Zicari Srini Penchikala
on Mar 21, 2011
The Azul Garbage Collector

Azul's recently announced Zing product brings their Garbage Collector, which achieves both pauseless garbage collection and a high tolerance to the factors which typically impact collection and application responsiveness, to Java programs running on Intel and AMD based servers. This article takes a detailed look at how Azul has been able to achieve these design goals.

Charles Humble
on Feb 24, 2011
Using Apache Avro

Boris Lublinsky presents an introduction to AVRO and evaluate its usage for Schema componentization, inheritance and polymorphism. He also discusses backward compatibility issues and AVRO solutions for this problem.

Boris Lublinsky
on Jan 25, 2011
Revving Up Your Hibernate Engine

This article explores tuning techniques for Hibernate-based applications, focusing on tuning topics that are effective but poorly documented, such as inheritance mapping, second level cache and enhanced sequence identifier generators. It also provides some background database information which is essential for tuning Hibernate.

Stewart Clark Yongjun Jiao
on Oct 06, 2010
Web Development

Virtual Panel: The Node.js Ecosystem - Frameworks, Libraries and Best Practices

Node.js is a server side framework based on top of Google’s V8 JavaScript Engine, that aims to assist developers in building highly scalable network programs, by using evented, non-blocking I/O. InfoQ had a virtual panel with the creators of some of the most popular 3rd party libraries and frameworks that utilize Node.js.

Dio Synodinos
on Jul 26, 2010

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