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Tuning a Linux Server for High Performance Applications

By John Cavazos, Senior Performance Test Engineer

John CavazosIf you recently installed a new OS onto your brand new high-performance server for production or even just for performance testing and are not seeing the results in your application you were expecting, there is likely a good explanation. If you have not tuned your server from the default setting, you are likely hitting some of the default limits of the OS. Regardless of what OS you have installed, it is still necessary to tune the server to get the best performance out of your machine.

Typically, this job is performed by a system’s administrator. However, in smaller companies or start-ups that may not have such a support role, the task may fall to others. If that’s you, and you’re looking for a little guidance in getting it done, keep reading. By no means is this an exhaustive set of tuning that can be done, but more a general guide to the most common settings that we typically tune for performance testing. This article will also be limited to Linux systems for space and time considerations, saving Solaris and Windows for later discussions to come.

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