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Profiling Just Got Easier With Perf4j

by Ian Roughley on  Feb 12, 2009 8

When you start to think about profiling Java applications, many tools come to mind - but did you think profiling could be as easy as adding logging statements? This is the goal of the Perf4j project.

Presentation: Measuring Agile in the Enterprise: 5 Success Factors for Large-Scale Agile Adoption

by Abel Avram on  Oct 17, 2008 4

In this presentation filmed during Agile 2008, Michael Mah analyzes the development process in 5 companies: 2 Agile (one of them BMC) and 3 classic. He measures the development progress and effectiveness and compares the results with industry averages. He also presents the factors which contributed to the success of BMC's Agile adoption.

Article: A Formal Performance Tuning Methodology: Wait-Based Tuning

by Abel Avram on  Oct 06, 2008 4

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.

NewRelic Offers Free Rails Monitoring, Adds New Features

by Werner Schuster on  Sep 16, 2008

NewRelic now offers their Rails performance monitoring (RPM) Lite product free of charge for all Rails users. A host of new features were added to the various commercial versions of RPM.

An in-depth overview of modern Application Performance Management

by Steven Haines on  Aug 20, 2008

Nicholas Whitehead, a Senior Technology Architect with ADP, published a three part article series on IBM's developerWorks entitled Java run-time monitoring that reviews, in detail, the strategies employed in modern Application Performance Management (APM) solutions.

37signals Uses New Relic's Rails Performance Monitoring Solution

by Mirko Stocker on  Jul 15, 2008

New Relic announced that 37signals uses their Ruby on Rails performance management solution to find problematic areas in their applications. David Heinemeier Hansson confirmed that they achieved a 50% speedup in certain actions.

JProbe 8.0: The Java code, memory, and coverage profiler is back

by Steven Haines on  Jul 04, 2008

Quest Software recently released JProbe 8.0, a Java code, memory, and coverage profiler. While JProbe has been one of the leading Java profiling tools since the late 1990's, JProbe 8.0 aims to help Quest regain the leadership position in the profiling market with new Eclipse integration and a more competitive price point.

JXInsight 5.6: Problem Diagnostic, Transaction Analysis and App Mgmt

by Steven Haines on  Jun 24, 2008

Last week JInspired announced the release of JXInsight 5.6, its enterprise Java performance monitoring, problem diagnostic, transaction analysis and application management solution. InfoQ spoke to William Louth, the JXInsight product architect, get the inside scoop.

Introducing the Ruby Benchmark Suite

by Mirko Stocker on  Jun 16, 2008 1

Antonio Cangiano started the Ruby Benchmark Suite project, which aims to collect a comprehensive set of benchmarks that users and implementers of Ruby can use to compare different implementations. We talked to Antonio about his plans and he gave us a timeframe for the next Ruby shootout.

Google App Engine Load Test Result

by Niclas Nilsson on  Jun 05, 2008 4

The result of the Google Web Toolkit on Google App Engine load test: The load was 10 reqs/sec for an hour, and 35 reqs/sec at peak. The result? No sweat.

Google App Engine public load test today

by Niclas Nilsson on  May 23, 2008 1

Today, at 4PM GMT+2 (in about an hour), there is a public load test on the Google App Toolkit. Can Google Web Toolkit and Google App Engine handle the InfoQ effect?

Article: Scalability Principles

by Floyd Marinescu on  May 21, 2008 7

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.

Rails performance analysis with New Relic

by Werner Schuster on  May 02, 2008

New Relic introduces a new performance analysis tool for Rails applications. The tool is installable as a Rails plugin, and offloads the analysis to the New Relic service. We talked to New Relic's Lew Cirne about the technology behind the product.

Measure Teams, Not Individuals

by Mike Bria on  Jan 31, 2008 3

Michael Dubakov recently expressed warning against the measurement of individual velocity and individual estimate accuracy. His view: measurement of these metrics not only provides no more useful information than is already available with their team-level equivalents, but may also have a tendency to encourage teams into behaviors that reduce effectiveness.

Article: The Box: A Shortcut to finding Performance Bottlenecks

by Floyd Marinescu on  Sep 24, 2007 6

Quite often performance problems will be reported with some very antidotal comments that do nothing to help you understand where to start looking. Faced with this dilemma, it is not uncommon for teams to start guessing at the root cause. Now enter "the box", a little diagram that is an abstraction of a complete system. The box is a reminder of the true cases of performance bottlenecks.

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