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Date: Wed, 20 Jun 2001 17:56:13 -0700 (PDT)
From: Davide Libenzi <davidel@xmailserver.org>
To: David Schwartz <davids@webmaster.com>
Subject: RE: Why use threads ( was: Alan Cox quote?)
Cc: linux-kernel@vger.kernel.org
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On 21-Jun-2001 David Schwartz wrote:
> 
>> On 20-Jun-2001 David Schwartz wrote:
> 
>> >> On Wed, Jun 20, 2001 at 02:01:16PM -0700, David Schwartz wrote:
> 
>> >> >    It's very hard to use processes for this purpose. Consider,
>> >> > for example, a
>> >> > web server. You don't want to use one process for each client
>> >> > because that
>> >> > would limit your scalability (16,000 clients would become
>> >> > difficult, and
>> >> > with threads it's trivial). You don't want to use one thread
>> >> > for each client
> 
>> >> How is it trivial? How do you debug a 16,000 thread application?
> 
>> > As I said, you don't want to use one thread for each
>> > client. You use,
>> > say, 10 threads for the 16,000 clients.
> 
>> Humm, you're going to select() over 1600 fds ...
> 
>       Who said anything about 'select'? If you want to learn how to write
> efficient multi-threaded servers, take a course or read a book. Heck, you
> can even ask me questions on marginally appropriate lists or even by private
> email. But don't put words in my mouth.

I was just thinking about having a course on how to write mt applications,
are You currently keeping such courses ?
Is still this Your address :

David Schwartz
16000 NW Modesty Dr



How do you handle an average of 1600 sessions over a single process without
using select()/poll(), I'm just curious ?




- Davide