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Date:      Fri, 24 Apr 2009 20:55:44 +0200
From:      Ivan Voras <ivoras@freebsd.org>
To:        freebsd-stable@freebsd.org
Subject:   Re: Evaluating the performance of a single FreeBSD server
Message-ID:  <gst202$shv$1@ger.gmane.org>
In-Reply-To: <e321688c0904231104g209086e8u5bda23c88676332e@mail.gmail.com>
References:  <e321688c0904231104g209086e8u5bda23c88676332e@mail.gmail.com>

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Michel Di Croci wrote:

> colocation environment) and use it as a starting server and runs an Apa=
che +
> PHP + PostgreSQL (for a long run stable and expandable DB). If it start=
s to

Even if we forget everything else you said, "Apache + PHP + PostgreSQL"
means you have at least ... BOTE calculation ... at least 24 different
combinations of how these components interact with each other and each
has different performance characteristics.

You need to give us much more information before something meaningful
can be concluded. In general, 90% of your performance issues will be in
the application (PHP code, not PHP itself) and the database (structure,
indexes, etc.). Assuming you have a decent application architecture,
database schema and enough bandwidth, can you think of a similar already
existing web application so people can have a baseline when giving you
advice? (Don't think "Google" ... think of a smaller application which
can be compared in size to yours).



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