The Basics of Cloud Server Performance

By ServerWatch Staff (Send Email)
Posted October 10, 2011

When it comes to understanding cloud server performance, author Chris Evans said the specification of a cloud-based server is based on a few simple metrics, including CPU, memory and disk space. As discussed in this Sys-Con Media report, CPU or processor power is described by most vendors in terms of cores, which translate to some abstract definition of physical computing power.


"Now I could install some software tool to execute the performance tests, but it’s more interesting to think about the underlying processes that are occurring on a virtual machine, so I’ve created a couple of PERL scripts to do the analysis. For the CPU measurement, I’ve simply created a script that loops for a fixed number of seconds, performing maths calculations and counting the number of loops that get executed in that fixed interval; in this case one second. A single measurement isn’t an entirely accurate measure of performance so I repeat the process at one second intervals, obtaining a series of figures that can be averaged out."

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