From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 20 Jun 2001 20:21:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 20 Jun 2001 20:21:48 -0400 Received: from shell.ca.us.webchat.org ([216.152.64.152]:43483 "EHLO shell.webmaster.com") by vger.kernel.org with ESMTP id ; Wed, 20 Jun 2001 20:21:35 -0400 From: "David Schwartz" To: "Davide Libenzi" Cc: Subject: RE: Why use threads ( was: Alan Cox quote?) Date: Wed, 20 Jun 2001 17:21:26 -0700 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2462.0000 Importance: Normal Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > 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. DS