From owner-freebsd-hackers@FreeBSD.ORG Wed Mar 6 02:04:03 2013 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 8035DE1B for ; Wed, 6 Mar 2013 02:04:03 +0000 (UTC) (envelope-from nonesuch@longcount.org) Received: from mail-qa0-f41.google.com (mail-qa0-f41.google.com [209.85.216.41]) by mx1.freebsd.org (Postfix) with ESMTP id 22BBD9E9 for ; Wed, 6 Mar 2013 02:04:02 +0000 (UTC) Received: by mail-qa0-f41.google.com with SMTP id bs12so2250446qab.7 for ; Tue, 05 Mar 2013 18:03:56 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:subject:references:from:content-type:x-mailer :in-reply-to:message-id:date:to:content-transfer-encoding :mime-version:x-gm-message-state; bh=e3jAn0BhVnLULKibl8Tw3hg23h408ZfjsDNntidrgcE=; b=Bro0cyQ87B6QuKB5mUevUEpe6SbvHbBSNKxcJeD8yj4POXE+cO1QOffRC2s/cfxnQM o/vTuvPqaB5nmGqCPwnvMAPh7aNccD4IZabYQFalW9v3950iE+Rc6tFUe3oPzRWoTEe+ nJyPidTDph3Ne+AVjFFMrismWb8jKxq1K0giZ6e6GoDmL8Ma3TEuRVMRhi/8v+j9QFW1 IWQRmnUP8GEpJjo3MhTETcbI9qHjPXWIt9OxEp0DVBy5/cUraAUT3CFNA8baIiPKc8RF 7RoZgsseYDlDrGjDazrTTszqIfi11s1Yo4pV1xLBD16mr8ytq43idNvR7HqtJ6iNwY2q aT0Q== X-Received: by 10.229.136.69 with SMTP id q5mr9468788qct.108.1362535436123; Tue, 05 Mar 2013 18:03:56 -0800 (PST) Received: from [192.168.11.105] (ool-4a58bea2.dyn.optonline.net. [74.88.190.162]) by mx.google.com with ESMTPS id t7sm36589306qey.2.2013.03.05.18.03.52 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 05 Mar 2013 18:03:55 -0800 (PST) Subject: Re: gjournal +UFS - anyone actually use it? References: From: Mark Saad Content-Type: text/plain; charset=us-ascii X-Mailer: iPhone Mail (10B146) In-Reply-To: Message-Id: <15BA8CB5-A10A-4FA9-AC5F-1BA2B7720E5E@longcount.org> Date: Tue, 5 Mar 2013 21:03:51 -0500 To: "freebsd-hackers@freebsd.org" Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) X-Gm-Message-State: ALoCoQkxVccIju/1ruDGjdTsj2XClgeOQfY+NIS3bc0d4q2atRNbDMB7UEPIDfSNay5P1YlYIRUL X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Mar 2013 02:04:03 -0000 On Mar 5, 2013, at 1:35 PM, Wojciech Puchar = wrote: > if yes - how about performance on production server. I have used gjournal on 7.x amd64 . Using in disk journals . This was on a h= p dl380 g5 using 6 300gb sas disks in a raid 1+0 .=20 I was using it to store large MySQL myisam tables , speed was acceptable at t= he time . I never had any fs corruption and it worked as expected .=20 At the time I set it up I remember there was some chatter about how slow gjo= urnal was compared to ufs with softupdate .=20 Fast forward to today I almost always use ufs with softupdate journal , new i= n FreeBSD 9.0 and available as a patch to 6.x, 7.x , and 8.x=20 This is better supported now , as more people use it in new 9.x builds . > i think about journal on SSD. I believe this is only and option in geom journal , I am not sure if you can= relocate a suj journal to an alternate disk . It should be faster . All I c= an say here is give it a try and see what happens .=20 Hope that helps=20 > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"= --- Mark saad | mark.saad@longcount.org