Open Source PHP Accelerator Increases Performance 2.8 Times
The latest installment in our PHP performance series takes a look at the open source APC module, which is described this way: “APC is a free, open, and robust framework for caching and optimizing PHP...
View ArticleMeasuring the Performance Effects of mod_deflate in Apache 2.2
Enabling mod_deflate can reduce the bandwidth usage on a particular file by up to 70%, but also reduces the maximum load a server can handle and may actually reduce site performance if the site...
View ArticleLoad Testing with IE 8.0, Firefox 3.5
The performance improvements in the latest browsers (Internet Explorer 8.0 and Firefox 3.5) have been eagerly awaited for many months…though they come at a price. Improved standards compliance,...
View ArticleLoad Testing Back to Basics: Avoiding the KeepAliveTimeout Race Condition
You’ve recorded your test case, configured your datasets, and run your replays. You start up the load test and … you see numerous errors like this: “The connection with the server was unexpectedly...
View ArticleThe Fastest Webserver?
Looking for the snappiest, fastest web server software available on this here internet? So were we. Valid, independent, non-synthetic benchmarks can be difficult to find. Of course, we all know that...
View ArticleSetting Apache2 ulimit for Maximum Performance
As strange as it seems, when you start up the standard RedHat or CentOS release, it is not configured for running Apache2 with any sort of performance! In fact, even on a large server you’ll be lucky...
View ArticleGoogle Pagespeed Scalability Benchmark
Premise Google Pagespeed is an easy way to optimize web page rendering time without having to recode your website. The pagespeed analyzer gives suggestions on what needs to be changed, while...
View ArticleGoogle Pagespeed 1.1 Scalability with Memory Locking
In last week’s blog post looking at the overhead of running Google Pagespeed, there was a marked scalability penalty to be paid that was caused by an approximate doubling of CPU load. Several people...
View ArticleGoogle Pagespeed 1.1 Performance with PHP
For the past week I’ve been testing out the performance of the new Google Pagespeed module for Apache, mod_pagespeed, and with the memory locking option turned on, the performance was a definite...
View ArticleIE 11 Support Added in Latest Load Tester 5.5 patch
Earlier last month, Microsoft began rolling out IE 11 updates for Windows 7 users. Now, with the most recent release of Load Tester 5.5, you can rest assured that Load Tester will continue to allow you...
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