mdounin at mdounin.ru
Tue Mar 24 20:56:42 MSK 2009
On Wed, Mar 25, 2009 at 01:12:29AM +0800, howard chen wrote:
> I am new to nginx.
> According to the web: http://wiki.nginx.org/Main
> It said...
> Nginx is one of a handful of servers written to address the C10K
> problem. Unlike traditional servers, Nginx doesn't rely on threads to
> handle requests. Instead it uses a much more scalable event-driven
> (asynchronous) architecture. This architecture uses small, but most
> importantly, predictable amounts of memory under load...
> But my questions are...
> 1. No matter how fast you are delivering the data, it is bounded by
> only one thread, so it is not scalable as nowsaday if you have 8 core
> + server?
No. You just configure nginx to run 8 worker processes - and this
effectively uses all available CPU resources with minimal
> 2. Even you are using event-driven, remote clients must also need to
> establish a remote port to your web server, so you can't save much
> resources in fact?
Yes, you can't save sockets. No, there is a lot of resources that
saved in fact compared to thread-per-connection or
process-per-connection models, since thread is much more than
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