ubuntu 12.04 faster than centos 6.2?

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#1 Thu, 07/26/2012 - 15:17

helpmin

ubuntu 12.04 faster than centos 6.2?

I created to virtual machines (on the same host) and installed centos 6.2 and ubuntu 12.04 (and virtualmin). Then installed a php web application on the centos 6.2 virtual server and cloned that virtual server on ubuntu via the virtualmin restore feature.

Everything run smoothly on both systems, but I noticed that web application e on Ubuntu is roughly 10% faster. I didn't really do a scientific test, but that web app displays time to create a page in x.xx seconds and there is a 10% difference.

Any idea why Ubuntu would be faster?

#2 Thu, 07/26/2012 - 15:32

andreychek

Howdy,

Well, I'm not really sure... there's a variety of possible reasons there.

Some default settings between those two distros could cause that.

Also, some apps look for a certain dependency, and if that dependency doesn't exist, fall back to a different dependency.

The primary dependency may be faster than the fallback.

It's possible Ubuntu installs that particular dependency by default, causing the app to run faster.

However, Ubuntu 12.04 is 2 years newer than CentOS 6, and comes with newer software versions, a newer kernel, and such -- that newer software may be faster.

So, I'm not entirely certain, but the above are some guesses as to why you may be seeing that.

-Eric

#3 Fri, 07/27/2012 - 15:05

helpmin

Thanks, in any case amazing. Maybe somebody else noticed something similar?

#4 Fri, 07/27/2012 - 17:02

ronald

both systems may permorm differently in a VPS too. In any case, no matter what distro, you would still want to optimize it for whatever use you will put it. Hardly any webhoster runs a default installation.

#5 Fri, 07/27/2012 - 22:20

helpmin

I have been using centos for quite a while already and optimized "to some extent" (but still apache/fcgid and not nginx/fpm). On ubuntu I used the default settings.

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