Re: Linus on Linux, Apache and Threads

Andi Kleen (ak@muc.de)
24 Apr 1999 12:51:44 +0200


cel@monkey.org (Chuck Lever) writes:

> On Fri, 23 Apr 1999, Tony Gale wrote:
> > On 23-Apr-99 Chris Wedgwood wrote:
> > >> It ought to one of two things:
> > >>
> > >> - Use a thread to handle each request, all in one process.
> > >
> > > No, that would be insane. Perhaps use threads the way it now uses
> > > processes, but not one thread per request -- that would be death as
> > > far as performance goes.
> >
> > Depends. You can use a thread pool and queue requests which are then
> > picked up by the threads.
>
> how do you propose to do that efficiently? is there a nice way in
> Unix/Linux to hand out incoming network requests to a pool of threads?

You have multiple threads doing an accept on a single listen socket. As
soon as a thread finished work it calls accept and gets the next ready
connection handed from the kernel.

-Andi

-- 
This is like TV. I don't like TV.

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