From: Jeff Layton Subject: Re: Default size of journal? Date: Mon, 11 Jan 2010 06:40:01 -0500 Message-ID: <4B4B0E11.8000101@att.net> References: <4B4A26B6.805@att.net> <1D207FF6-B457-4DF3-B7B0-F4090EB8CED5@sun.com> <4B4B0D8C.4030209@att.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Andreas Dilger To: linux-ext4@vger.kernel.org Return-path: Received: from smtp102.sbc.mail.ac4.yahoo.com ([76.13.13.241]:27441 "HELO smtp102.sbc.mail.ac4.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752018Ab0AKLjl (ORCPT ); Mon, 11 Jan 2010 06:39:41 -0500 In-Reply-To: <4B4B0D8C.4030209@att.net> Sender: linux-ext4-owner@vger.kernel.org List-ID: Jeff Layton wrote: > Andreas Dilger wrote: >> On 2010-01-10, at 15:12, Jeff Layton wrote: >>> I'm sorry if this is a repeat, but I was wondering what the >>> default journal size is for ext4 when it's built on a single >>> partition? Or does it vary in size as needed? >> >> It varies with the size of the filesystem. I believe the largest >> default size is 128MB, but I don't know offhand what the cutoff size is. > > Is there a simple formula for how the journal size varies with the > file system size? Perhaps linear? Disregard - Eric answered it for me (didn't finish all my email before responding). Apologies. Jeff