uperf is a network performance tool that supports modelling and replay of various networking patterns. uperf was initially developed by the Performance Applications Engineering group at Sun Microsystems. Since 2008, it is being developed by the community. uperf is released under the GNU General Public License Version 3.

The latest version of uperf is 1.0.5 was released Nov 19 2016 (Thanks Michael Tuexen).

Download

Uperf is known to work on Solaris, Linux, FreeBSD and MacOS. You can download uperf sources from https://sourceforge.net/projects/uperf/files/uperf/.

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Introduction

uperf represents the next generation benchmarking tools (like filebench) where instead of running a fixed benchmark or workload, a description (or model) of the workload is provided and the tool generates the load according to the model. By distilling the benchmark or workload into a model, you can now do various things like change the scale of the workload, change different parameters, change protocols, etc and analyse the effect of these changes on your model. You can also study the effect of interleaving CPU activity, or think times or the use of SSL instead of TCP among many other things.

Some of the questions you could answer using uperf are

and much more!

Blogs

More information regarding uperf can be found at the following blogs

Download

uperf currently runs on Solaris (sparc and x64) and Linux. There is some work going on to make it work on windows. You can either

Support

For comments and discussions, please join us at uperf-discuss@lists.sourceforge.net. If you find any bugs or have any requests, please check the bug/issue database before filing a new one.


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