Tag Archives: performance

Performance testing, slow clients, and how to simulate slow connections.

In general, performance testing is a set of methods, tools, and metrics with a target goal of knowing of how our service performs under the load. Managers come to the performance testers saying, guys we developed a pretty fast performed … Continue reading

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Installing and configuring rsync server on CentOS 5 and use rsync client.

Sometimes you need to copy some files to one or number of the remote hosts and keep them updated with the latest version. In my example, I will be running performance tests and want to make sure each agent has … Continue reading

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Grinder, a Java Load Testing Framework. Using custom headers, cookies and payload in GET, PUT, POST, DELETE, OPTIONS HTTP methods

Adding headers, cookies, and payload for various HTTP methods in Grinder, a Java Load Testing Framework, is unfortunately, is not intuitively clear. So the following sample should make life much easier: we specify custom header, cookies, and payload for the … Continue reading

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Native Data class in Ruby 1.8 is much slower than Date::Performance – class Data, partially re-written to C

http://blog.pluron.com/2009/04/ruby-date-class.html https://github.com/rtomayko/date-performance Unfortunately, it is for 1.8 only. It will not compile on 1.9 rtomayko commented January 15, 2010 Oh, now that I think about it, it’s going to take a lot of work to get date-performance running under 1.9. … Continue reading

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Running Grinder console on EC2 cloud or fixing “java.lang.Error: Probable fatal error:No fonts found”

I was trying to run Grinder console on EC2 cloud, and that is my log of what happened. 1. Yes, I setup the “X” forwarding, and you can read it here of how it was setup. 2. However, trying to … Continue reading

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