Archive for the ‘General’ Category
Friday, May 23rd, 2008
If you've been to this site before, you may have noticed the new look. For various reasons, I've converted the site from drupal to Wordpress. Everything seems to be working, and hopefully most of the old links will redirect to their new locations.
One thing that is no longer ...
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Friday, November 16th, 2007
It seems (at least to me) that often the first thing a performance engineer, especially an inexperienced one, wants to do is start tuning the application- change settings, configurations, etc. to make it go faster. Who doesn't want to be the "superstar" that saved the company by enabling some ...
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Wednesday, November 14th, 2007
This is the second in a four part series about finding bottlenecks in an application or system.
Memory Bottlenecks
A memory bottleneck is a condition where a lack of memory (or general limitation of memory access) slows the performance or scalability of the application. I will discuss how to detect two ...
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Sunday, November 4th, 2007
Introduction
There have been many books, articles and web sites dedicated to various aspects of performance testing: how to use load testing tools, how to create automated scripts, how to monitor servers, etc. etc. What I haven't seen, is any discussion about how to create a performance testing team: what ...
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Friday, October 5th, 2007
9:00 am - 10:00 am: Applying SPE to Java EE Application Design, Development and Deployment
William Louth
If I can try to summarize SPE (Software Performance Engineering) in a single sentence, it is the practice of characterizing application use cases and creating models that can have many uses, including problem diagnosis, and ...
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Wednesday, October 3rd, 2007
8:45 am - 9:45 am: Keynote: Performance Testing: It isn't what you might think
Scott Barber
Ed Correia gave a somewhat awkward introduction (ask someone else who was there) of conference keynote speaker Scott Barber. Barber spoke for approximately a half hour about myths and realities of performance testing. He ...
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Tuesday, October 2nd, 2007
Today was the first day of the three day Software Test & Performance Conference, held in Boston, MA (well, Cambridge, actually). On schedule for Day 1 are several full-day tutorials. I sat in on Scott Barber's "Performance Testing Secrets in Context."
This class covered the material in the recent ...
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Tuesday, September 18th, 2007
Welcome to PerformanceEngineer.com! Here you'll find a plethora of information and links about software performance and performance testing:
articles in several Topics
links to performance related News from around the Web
a Forum to ask questions and exchange ideas
a Glossary of performance testing terms
Links to other performance related web sites
Registered users see ...
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Friday, September 7th, 2007
This video has been around for about a year, but I just came across it. It is pretty interesting and worth watching. For experienced performance engineers, there isn't a lot of new territory covered, but some interesting comments on tools and processes used at Google.
If you don't ...
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Tuesday, August 28th, 2007
UPDATED 4/24/08: Moved script to Google Code
LR2JM
LR2JM (LoadRunner to JMeter) is a perl script (lr2jm.pl) used to convert a LoadRunner script created using VUgen into a format usable by Apache JMeter, an open source performance and load testing tool.
The script is alpha quality at this point. There is support ...
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Tuesday, August 7th, 2007
http://java.sun.com/docs/hotspot/gc5.0/gc_tuning_5.html
http://blogs.sun.com/jonthecollector/
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Friday, June 8th, 2007
One of the easiest ways to quickly improve your web site's perceived performance is to use compression to decrease the size of the data transfer. Especially with increased use of javascript and css that comes with "web 2.0-ification ", using data compression is pretty much a no-brainer if you ...
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Saturday, March 24th, 2007
This is the first in a four part series about finding bottlenecks in an application or system.
Finding Bottlenecks
Finding bottlenecks in a system is one of the primary tasks that a performance engineer or tester performs and, I would argue, one of the most important. Yet is seems ...
Posted in General | 4 Comments »
Saturday, March 17th, 2007
How do I achieve good performance?
By performance testing, of course! That's the short answer. In reality, what makes a web site perform well is largely good design, followed by good testing. By my estimate, 80% of a site's performance will come from good design and best practices, while 15% will ...
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