From owner-freebsd-current@FreeBSD.ORG Mon Jun 14 20:12:02 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E213F16A4CE; Mon, 14 Jun 2004 20:12:02 +0000 (GMT) Received: from mail.pcnet.com (mail.pcnet.com [204.213.232.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6DDE943D2D; Mon, 14 Jun 2004 20:12:02 +0000 (GMT) (envelope-from eischen@vigrid.com) Received: from mail.pcnet.com (mail.pcnet.com [204.213.232.4]) by mail.pcnet.com (8.12.10/8.12.1) with ESMTP id i5EKC1qb024559; Mon, 14 Jun 2004 16:12:01 -0400 (EDT) Date: Mon, 14 Jun 2004 16:12:01 -0400 (EDT) From: Daniel Eischen X-Sender: eischen@pcnet5.pcnet.com To: mike In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: Lasse Laursen cc: freebsd-current@freebsd.org cc: freebsd-threads@freebsd.org Subject: Re: Possible Threading problem with -CURRENT / MySQL? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jun 2004 20:12:03 -0000 On Mon, 14 Jun 2004, mike wrote: > welcome to our hell. we've been experiencing mysql problems on freebsd 5.x > as well. it sounds like scheduler/threading is to blame but we were not > able to give sufficient or proper motivation to the folks who could > examine this deeper - we even offered $500 cash to whomever stepped up to > help resolve this. > > linux runs almost 2x as fast on the same hardware with no configuring - > and we get nearly the same results running in single CPU mode vs. dual CPU > mode on fbsd... something is definately fubar with the mysql+fbsd5.x > combination. The problem is not the same. Lasse is getting lockups even with Linuxthreads. You were able to run with all threading libraries, but native linux was faster. -- DE