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ApacheToday: Improving mod_perl Driven Site's Performance -- Part II: Benchmarking Applications

Dec 18, 2000, 18:09 (0 Talkback[s])
(Other stories by Stas Bekman)

"In this article we will talk about tools that we need to get armed with before we can start working on the performance of our service. ... In order to improve performance we need measurement tools. The main tool categories are benchmarking and code profiling."

"It's important to understand that in a major number of the benchmarking tests that we will execute we will not look at the absolute result numbers but the relation between the two and more result sets. The purpose of the benchmarks is to try to show which coding approach is preferable. You shouldn't try to compare the absolute results presented in the articles with those that you get while running the same benchmarks on your machine, since you won't have the exact hardware and software setup anyway. This kind of comparison would be misleading. If you compare the relative results from the tests running on your machine, you will do the right thing."

"How much faster is mod_perl than mod_cgi (aka plain perl/CGI)? There are many ways to benchmark the two. I'll present a few examples and numbers below. Check out the benchmark directory of the mod_perl distribution for more examples."

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