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  • Culture & Methods

    Lessons Learned in Performance Testing

    Performance testing is a hard discipline to get right and many things can go wrong. The key is to pay attention to the details, understand the behavior, and avoid just producing fancy numbers. This article describes a few common problems seen frequently with performance testing and shares tips on how to make your performance testing routine better.

    Jiří Holuša
    on Nov 23, 2019
  • Java

    Book Review: Learn Apache JMeter by Example

    JMeter is an indispensable tool for testing load and functionality of multi-tiered applications comprised of web front ends, JVM servers and a wealth of NoSQL and relational databases. This book is the manual that should have been included to help surmount the learning curve.

    Victor Grazi
    on Dec 06, 2016

  • Is Your Application Ready?

    We mostly ship software by date, squeezing all development and testing efforts toward that deadline. We prioritize what we think is important, and once our application passes a certain quality level, we’re ready to go live. But even when we do ship, can we tell the readiness status of our application?

    Gil Zilberfeld
    on Nov 22, 2013

  • Experiments in Performance Management to foster High Performing Agile Teams

    Experiments in Performance Management to foster High Performing Agile Teams: A question that often comes up – Agile talks about team performance so why am I measured on individual goals which have little to do with team performance? The author discusses some approaches which can bridge the gaps between performance management and team productivity.

    Kamal Manglani
    on Sep 13, 2013

  • 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

  • Performance Analysis and Monitoring with Perf4J

    In this article Alex Devine explains how Java developers can take advantage of Perf4J, an open source toolset for adding code timing statements and for logging, analyzing and monitoring the results. Alex introduces several aspects of Perf4J like integration with Log4J, use of annotations, pitfalls and good practices.

    Alex Devine
    on Apr 23, 2009

  • A Formal Performance Tuning Methodology: Wait-Based Tuning

    In this article, Steven Haines talks about web application performance tuning which used to be more of an art than science. He proposes a method called wait-based tuning, making the entire process more measurable and, consequently, more scientific.

    Steven Haines
    on Oct 06, 2008

  • The Box: A Shortcut to finding Performance Bottlenecks

    Finding performance bottlenecks can be a difficult task and it can get even more difficult as our applications grow in size. The Box is a methodology tool that focuses us efforts to improve performance.If you want to be consistent and predictable, getting rid of the guessing is a must.

    Kirk Pepperdine
    on Sep 21, 2007

  • Executive summary - An Adaptive Performance Management System

    Traditional thinking has turned budgets into fixed performance contracts forcing managers at all levels to commit to specified financial outcomes, although many of the underlying variables are beyond their control. In this Cutter Executive Summary, Jim Highsmith offers an alternative for the adaptive organization: a project performance management system and a team performance management system.

    Jim Highsmith
    on Aug 09, 2006

  • A Look at Common Performance Problems in Rails

    Rails performance expert Dr. Stefan Kaes takes a look at the most common performance issues in your Rails applications and what to do about them. Advice is given regarding benchmarking, choosing a session container, caching results of expensive computations, optimizing database queries and working effectively with view helpers.

    Stefan Kaes
    on Jun 13, 2006
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