From owner-freebsd-current@FreeBSD.ORG Tue Oct 16 22:00:36 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 26D7216A417 for ; Tue, 16 Oct 2007 22:00:36 +0000 (UTC) (envelope-from kjelderg@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.183]) by mx1.freebsd.org (Postfix) with ESMTP id F341E13C468 for ; Tue, 16 Oct 2007 22:00:35 +0000 (UTC) (envelope-from kjelderg@gmail.com) Received: by wa-out-1112.google.com with SMTP id k17so2583429waf for ; Tue, 16 Oct 2007 15:00:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; bh=QChRHY5kGW8+jvdqAqa8Apjmvf2I0gK3ufnasMHtVf4=; b=YGoB132JuFqBDxz3QroDJKtu6jzQn9Y/fcr/2blnUjeea2x8qd45V7rMjznMpGor08PE/gv+KaYRgIjMtsWXVpM+yG/Ezp4Viu+g4+ffeUF7GZokvWrOcM9MifWLzPC3sNdlZZgxKuU2Z04hWfyOgq3n99o4vA/jjeC2YMAX94o= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=rg3S6lyY02IiXgPXctOQ8jZr8kkoHaPcH5kUPpPERP9yFYBZaa0xf+imsrQE8y0CZta5XHlyusLe9Z41cqlBCNrnJ+uj8htCYX+sbAhRTmsbA+aAal/lAQhv7fmWHoA7l213WwxHp7zMF5PYxkKebflkBvbBgvN6Gj+g9OByPzc= Received: by 10.115.15.1 with SMTP id s1mr8986140wai.1192570476278; Tue, 16 Oct 2007 14:34:36 -0700 (PDT) Received: by 10.115.95.11 with HTTP; Tue, 16 Oct 2007 14:34:36 -0700 (PDT) Message-ID: Date: Tue, 16 Oct 2007 16:34:36 -0500 From: "Eric Kjeldergaard" To: "Peter Schuller" In-Reply-To: <20071016212307.GA8850@hyperion.scode.org> MIME-Version: 1.0 References: <20071016110642.GB54457@hyperion.scode.org> <20071016212307.GA8850@hyperion.scode.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-current@freebsd.org Subject: Re: Status of MySQL on 7 w/o patches applied X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Tue, 16 Oct 2007 22:00:36 -0000 On 16/10/2007, Peter Schuller wrote: > > > I will endeavor to re-run these comparisons with RELENG_7 within the > > near future (regardless of the answer to the above question). > > So to follow-up, with RELENG_7 the performance is now significantly > better than 6.2 for me too. I guess it was the debugging options in > userland. If someone wants details anyway I'll provide them, but since > it is no longer that interesting I'm leaving it as is if no one speaks > up. > > I knew about it and wanted to turn it off, but I was under the > impression it was enabled by malloc.conf, which was non-existent, > rather than at compile time. Also the phrasing in the recommentation > to turn things off was such that it did not necessarily imply that > malloc debugging was actually turned on. Or I believed so anyway in my > possibly dream state. > > Would it be useful to keep a list of *all* things one needs to do to > turn off all the debugging options and whatnot? I have always disabled > the INVARIANTS/WITNESS stuff, but was unaware of the details of how to > turn off malloc debugging (and I did actively look for more > information on it, but obviously not hard enough). > > In the interest of benchmarks that people publish perhaps it's worth > it to spoon feed instruction for what needs to be done, as part of the > usual warning in /usr/src/UPDATING? > I was under the (incorrect?) impression that the debugging stuff would be turned off before release. Prior to that, 7's primary purpose is for finding bugs before release and thus debugging options are useful. Eric -- If I write a sig emails are personalised people are happy