From owner-freebsd-performance@FreeBSD.ORG Fri Jan 13 00:06:31 2006 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 06C4816A41F for ; Fri, 13 Jan 2006 00:06:31 +0000 (GMT) (envelope-from grog@lemis.com) Received: from ext-gw.lemis.com (ext-gw.lemis.com [150.101.14.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6B83243D58 for ; Fri, 13 Jan 2006 00:06:28 +0000 (GMT) (envelope-from grog@lemis.com) Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.135]) by ext-gw.lemis.com (Postfix) with ESMTP id 381A7131D7C; Fri, 13 Jan 2006 10:36:27 +1030 (CST) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 1208C85C2A; Fri, 13 Jan 2006 10:36:27 +1030 (CST) Date: Fri, 13 Jan 2006 10:36:27 +1030 From: Greg 'groggy' Lehey To: Eric Hodel Message-ID: <20060113000627.GY73071@wantadilla.lemis.com> References: <20051216040722.GA503@wantadilla.lemis.com> <3C3376C1-0FED-4DA1-BB93-86A9198EAC3A@segment7.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="vYzPTKoKRdF40tnF" Content-Disposition: inline In-Reply-To: <3C3376C1-0FED-4DA1-BB93-86A9198EAC3A@segment7.net> User-Agent: Mutt/1.4.2.1i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 VoIP: sip:0871270137@sip.internode.on.net WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 9A1B 8202 BCCE B846 F92F 09AC 22E6 F290 507A 4223 Cc: freebsd-performance@freebsd.org Subject: Re: MySQL Deadlocks (Was: Re: Benchmark MySQL Performance On FreeBSD And Linux) X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Jan 2006 00:06:31 -0000 --vYzPTKoKRdF40tnF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thursday, 15 December 2005 at 22:18:58 -0800, Eric Hodel wrote: > On Dec 15, 2005, at 8:07 PM, Greg 'groggy' Lehey wrote: > >> On Friday, 16 December 2005 at 11:20:12 +0800, huang leo wrote: >>> >>> We had evaluated MySQL performance on FreeBSD and Linux. The >>> result is attached. >> >> This is some of the most plausible information I've seen in a while. >> I'm forwarding it to a MySQL internal list, and I expect we'll discuss >> it in much detail. >> >> A few comments: >> >> - I'd be very interested in the deadlocks you've been experiencing. >> If you have any additional information, please let me know. > > Some time back I experienced deadlocks with FreeBSD 5.4 and either > libthr or libpthread. linuxthreads had no issue. Other machines > with different hardware did not have the problem. Interesting. > It looks like I'll be able to perform some testing on that machine > sometime early in the new year. What is the correct forum for > discussing this when I get the opportunity to look into it again? I think this forum would be fine. Greg -- See complete headers for address and phone numbers. --vYzPTKoKRdF40tnF Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFDxu8DIubykFB6QiMRArjLAJ9EsRA9zcmriU4pQoeelHwqNA/KmwCaA1ik Yw0MOff2tSWGSv3vEjFFN3E= =Ahtr -----END PGP SIGNATURE----- --vYzPTKoKRdF40tnF--