Collected thoughts about software and site performance ...

Web performance matters. Responsive sites can make the online experience effective, even enjoyable. A slow site can be unusable. This site is about online performance, how to achieve and maintain it, its impact on user experience, and ultimately on site effectiveness.

Home | Entries about Events (5), in reverse date order:

Choosing Performance Management Tools

Illustration: Apdex Logo

With over 30 application performance management (APM) tool vendors offering scores of products, buyers face hundreds of confusing choices. Compounding the problem, the lack of a common taxonomy, or standard APM nomenclature, makes cross-vendor product comparisons especially challenging.

To address this challenge, NetForecast has developed an APM tools framework anyone can use to define APM requirements and map them to vendor offerings. On June 30 2010, Peter Sevcik will describe this framework in a Webinar hosted by the Apdex Alliance ...

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Service Level Management with Apdex

Illustration: Apdex Logo

Service level management (SLM) is the art and science of keeping application services running properly once in production. The key to successful SLM is the ability to use metrics that are linked to the business.

Apdex (Application Performance Index) is an open standard that is a numerical measure of user satisfaction with the performance of enterprise applications. It converts many measurements into one number on a uniform scale of 0-to-1 (0 = no users satisfied, 1 = all users satisfied).

Properly implemented, Apdex enables an organization to link application performance to business needs ...

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Asynchronous Architectures [4]

Illustration: Werner Vogels

This is the fourth in a series of posts presenting arguments for asynchronous architectures as the optimal way to build high-performance, scalable systems for a distributed environment.

In a QCon conference presentation on Availability and Consistency or how the CAP theorem ruins it all, Werner Vogels, Amazon CTO, examines the tension between availability & consistency in large-scale distributed systems, and presents a model for reasoning about the trade-offs between different solutions. I recommend you find time to watch the entire 52-minute video.

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Insights from Interop 2006

Illustration: Interop 2006

In my last post I promised that if I get any new insights worth sharing this week while I'm at Interop 2006, I'll write about them. Well, here's the first installment, which consists of just three items. I'm supposed to be at the Keynote booth on the show floor soon, so this will be short, because it's quite a hike to get there.

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Waterfall Methods: Past and Ever-Present

Illustration: Waterfall 2006 Conference

In an earlier post, Managing RIA's [7]: Developing Usable RIA's, I commented that adopting a waterfall development methodology would not work well when developing Rich Internet Applications, because more agile methods were needed. But Waterfall methods refuse to die ...

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Posted on Saturday, April 1, 2006 at 12:26PM by Registered CommenterChris Loosley in , | CommentsPost a Comment