[OT] RE: very off topic marketing question

[Peter Crowther <Pe...@melandra.com>]

> From: Martin Gainty [mailto:mgainty@hotmail.com]
> Apache is hamstrung by the number of prefork processes it can spawn..

Yes.  For this job, it's hamstrung by the PHP process being single-threaded and therefore having to spawn and keep multiple copies (each with its own address space) to handle concurrent requests.

In other words: PHP (at least up to PHP5) is architecturally unsuitable for high-throughput services.  It can be made to work, as Facebook demonstrates; but there are better architectures that have lower overhead.

Actually, that's an interesting question.  I wonder how many tonnes of carbon would be saved per annum if Facebook were reimplemented in something that allowed multiple threading and smaller sessions, such as Mono/ASP.Net or glassfish/servlets? <ducks and runs to avoid the PHP lynch mob>

                - Peter

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